Harri Lipsanen
Professori
T411 Dept. Electronics and Nanoeng
Professori
Elektroniikan ja nanotekniikan laitos
My present activitiesfocus onnanotechnology and nanostructuresbased on advanced nanomaterials which are used in nanoelectronic and photonic devices. The current research topics include
- graphene and other 2D materials
- semiconductor nanostructures
- nanofabrication by atomic layer deposition, MOCVD, electron beam lithography, self-assembly etc.
- devices based on semiconductors and their nanostructures
- functional surfaces and thin films
- quantum effects in nanostructures
- materials characterization
Full researcher profile
https://research.aalto.fi/...
Kontakuppgifter
E-post
[email protected]
Kompetensområde
Nanotechnology and nanoscience, Advanced materials, Nanofabrication, Optoelectronics, Microelectronics, Nanoelectronics, Applied Physics, Graphene, Nanophotonics, Materials science
Utmärkelser
Knight, First Class, of the Order of the White Rose of Finland
Palkinto tai huomionosoitus urasta
Elektroniikan ja nanotekniikan laitos
Dec 2021
Aalto Research Impact Award
Academy of Finland Flagship PREIN
Palkinto tai huomionosoitus tuotoksesta
Elektroniikan ja nanotekniikan laitos
Sep 2019
Forskningsgrupp
- Harri Lipsanen Group
Publikationer
Nonlinear optical response of strain-mediated gallium arsenide microwire in the near-infrared region
Xiangpeng Cui, Wenjun Huo, Linlu Qiu, Likang Zhao, Junjie Wang, Fei Lou, Shuaiyi Zhang, Vladislav Khayrudinov, Wing Yim Tam, Harri Lipsanen, He Yang, Xia Wang
2024
Nanophotonics
Broadening spectral responses and achieving environmental stability in SnS2/Ag-NPs/HfO2 flexible phototransistors
Mohammad Khan, S Sadaqat, Muhammad Ashgar Khan, Shania Rehman, Waqas Subhani, Mohamed Ouladsmane, Malik Rehman, F Ali, H Lipsanen, ZP Sun, J Eom, Faisal Ahmed
2024
Nanoscale
Broadband miniaturized spectrometers with a van der Waals tunnel diode
Md Gius Uddin, Susobhan Das, Abde Mayeen Shafi, Lei Wang, Xiaoqi Cui, Fedor Nigmatulin, Faisal Ahmed, Andreas C. Liapis, Weiwei Cai, Zongyin Yang, Harri Lipsanen, Tawfique Hasan, Hoon Hahn Yoon, Zhipei Sun
2024
Nature Communications
Deterministic Polymorphic Engineering of MoTe2 for Photonic and Optoelectronic Applications
Faisal Ahmed, Carlos Rodríguez-Fernández, Henry A. Fernandez, Yi Zhang, Abde Mayeen Shafi, Md Gius Uddin, Xiaoqi Cui, Hoon Hahn Yoon, Naveed Mehmood, Andreas C. Liapis, Lide Yao, Humeyra Caglayan, Zhipei Sun, Harri Lipsanen
2023
Advanced Functional Materials
Polarization Vortex-Driven Third-Harmonic Generation in a Single Vertically-Aligned Semiconductor Nanowire
Shambhavee Annurakshita, Henrik Mäntynen, Yaraslau Tamashevich, Leevi Kallioniemi, Xiaorun Zang, Nicklas Anttu, Marco Ornigotti, Harri Lipsanen, Godofredo Bautista
2023
P-n junctions in planar GaAs nanowires
Bogdan R. Borodin, Prokhor A. Alekseev, Vladislav Khayrudinov, Evgeniy Ubyivovk, Yury Berdnikov, Nickolay Sibirev, Harri Lipsanen
2023
CrystEngComm
Highly Sensitive MoS2 Photodetectors Enabled with a Dry-Transferred Transparent Carbon Nanotube Electrode
Er-Xiong Ding, Peng Liu, Hoon Hahn Yoon, Faisal Ahmed, Mingde Du, Abde Mayeen Shafi, Naveed Mehmood, Esko I. Kauppinen, Zhipei Sun, Harri Lipsanen
2023
ACS Applied Materials and Interfaces
Wafer-Scale Atomic-Layer-Deposition of Er3+- and Yb3+- Doped Gain Materials for Integrated Photonics
Andreas C. Liapis, Vincent Pelgrin, Peng Liu, Xiaoqi Cui, Jose M.A. Rosa, Heli Seppannen, Diao Li, Igor Reduto, Seppo Honkanen, Harri Lipsanen, Zhipei Sun
2023
Direct Synthesis of Semiconducting Single-Walled Carbon Nanotubes Toward High-Performance Electronics
Peng Liu, Abu Taher Khan, Er Xiong Ding, Qiang Zhang, Zhenyu Xu, Xueyin Bai, Nan Wei, Ying Tian, Diao Li, Hua Jiang, Harri Lipsanen, Zhipei Sun, Esko I. Kauppinen
2023
Advanced Electronic Materials
Large-diameter indium antimonide microwire based broadband and robust optical switch
Fei Lou, Xiangpeng Cui, Xinyue Sheng, Chunyan Jia, Shuaiyi Zhang, Xia Wang, Vladislav Khayrudinov, Baitao Zhang, Shande Liu, Wing Yim Tam, Harri Lipsanen, He Yang, Jingliang He
2023
Science China: Physics, Mechanics and Astronomy
Unraveling Thermal Transport Properties of MoTe2 Thin Films Using the Optothermal Raman Technique
Carlos Rodriguez-Fernandez, Arttu Nieminen, F Ahmed, J Pietila, H Lipsanen, H Caglayan
2023
ACS applied materials & interfaces
Effect of atomic layer annealing in plasma-enhanced atomic layer deposition of aluminum nitride on silicon
H Seppanen, I Prozheev, C Kauppinen, S Suihkonen, K Mizohata, H Lipsanen
2023
JOURNAL OF VACUUM SCIENCE AND TECHNOLOGY A
Strain Engineering for Enhancing Carrier Mobility in MoTe2 Field-Effect Transistors
Abde Mayeen Shafi, Md Gius Uddin, Xiaoqi Cui, Fida Ali, Faisal Ahmed, Mohamed Radwan, Susobhan Das, Naveed Mehmood, Zhipei Sun, Harri Lipsanen
2023
Advanced Science
Ultra-miniaturized Optical Spectrometers with a Highly Tunable van der Waals Junction
Hoon Hahn Yoon, Faisal Ahmed, Henry A. Fernandez, Fedor Nigmatulin, Xiaoqi Cui, Md Gius Uddin, Andreas C. Liapis, Weiwei Cai, Zongyin Yang, Pertti Hakonen, Harri Lipsanen, Tawfique Hassan, Zhipei Sun
2023
Monolithic Saturable Absorber with Gallium Arsenide Nanowires Integrated on the Flexible Substrate for Optical Pulse Generation
Yifan Zhao, He Yang, Vladislav Khayrudinov, Harri Lipsanen, Xinyang Su, Mei Qi, Baole Lu, Ningfang Song
2023
Micromachines
A Universal Pick-and-Place Assembly for Nanowires
Utku Emre Ali, He Yang, Vladislav Khayrudinov, Gaurav Modi, Zengguang Cheng, Ritesh Agarwal, Harri Lipsanen, Harish Bhaskaran
2022
Small
WITio: A MATLAB data evaluation toolbox to script broader insights into big data from WITec microscopes
Joonas Tapani Holmi, Harri Lipsanen
2022
SoftwareX
Grass-like alumina nanoelectrodes for hierarchical porous silicon supercapacitors
Kirill Isakov, Olli Sorsa, Taina Rauhala, Santeri Saxelin, Tanja Kallio, Harri Lipsanen, Christoffer Kauppinen
2022
Energy Advances
Direct GaAs Nanowire Growth and Monolithic LightEmitting Diode Fabrication on Flexible Plastic Substrates
V Khayrudinov, A Sorokina, V Raj, N Gagrani, T Koskinen, H Jiang, I Tittonen, C Jagadish, HH Tan, H Lipsanen, T Haggren
2022
Advanced Photonics Research
InSb Nanowire Direct Growth on Plastic for Monolithic Flexible Device Fabrication
Vladislav Khayrudinov, Tomi Koskinen, Kacper Grodecki, Krzysztof Murawski, Małgorzata Kopytko, Lide Yao, Hua Jiang, Ilkka Juhani Tittonen, Harri Lipsanen, Tuomas Haggren
2022
ACS Applied Electronic Materials
Femtosecond Mode-locked Yb:KYW Laser Based on InP Nanowire Saturable Absorber
Junting Liu, Shuai Ye, Feifei Wang, Xiaohui Sun, Vladislav Khayrudinov, Harri Lipsanen, Hongkun Nie, He Yang, Kejian Yang, Baitao Zhang, Jingliang He
2022
IEEE Photonics Technology Letters
Direct Epitaxial Growth of InP Nanowires on MoS2 with Strong Nonlinear Optical Response
Abde Mayeen Shafi, Susobhan Das, Vladislav Khayrudinov, Md Gius Uddin, Er-Xiong Ding, Faisal Ahmed, Zhipei Sun, Harri Lipsanen
2022
Chemistry of Materials
Inducing Strong Light-Matter Coupling and Optical Anisotropy in Monolayer MoS2 with High Refractive Index Nanowire
Abde Mayeen Shafi, Faisal Ahmed, Henry A. Fernandez, Md Gius Uddin, Xiaoqi Cui, Susobhan Das, Yunyun Dai, Vladislav Khayrudinov, Hoon Hahn Yoon, Luojun Du, Zhipei Sun, Harri Lipsanen
2022
ACS applied materials & interfaces
Designing outcoupling of light from nanostructured emitter in stratified medium with parasitic absorption
Anastasiia Sorokina, Harri Lipsanen, Nicklas Anttu
2022
Journal of Applied Physics
Engineering the Dipole Orientation and Symmetry Breaking with Mixed-Dimensional Heterostructures
Md Gius Uddin, Susobhan Das, Abde Mayeen Shafi, Vladislav Khayrudinov, Faisal Ahmed, Henry Fernandez, Luojun Du, Harri Lipsanen, Zhipei Sun
2022
Advanced Science
Optical Control of High-Harmonic Generation at the Atomic Thickness
Yadong Wang, Fadil Iyikanat, Xueyin Bai, Xuerong Hu, Susobhan Das, Yunyun Dai, Yi Zhang, Luojun Du, Shisheng Li, Harri Lipsanen, F. Javier García De Abajo, Zhipei Sun
2022
Nano Letters
Probing Electronic States in Monolayer Semiconductors through Static and Transient Third-Harmonic Spectroscopies
Yadong Wang, Fadil Iyikanat, Habib Rostami, Xueyin Bai, Xuerong Hu, Susobhan Das, Yunyun Dai, Luojun Du, Yi Zhang, Shisheng Li, Harri Lipsanen, F. Javier García de Abajo, Zhipei Sun
2022
Advanced Materials
Enhanced terahertz emission from mushroom-shaped InAs nanowire network induced by linear and nonlinear optical effects
Fugang Xi, He Yang, Vladislav Khayrudinov, Yuhang He, Tuomas Haggren, Yixuan Zhou, Harri Lipsanen, Zhipei Sun, Xinlong Xu
2022
Nanotechnology
Thermomechanical properties of aluminum oxide thin films made by atomic layer deposition
Oili M.E. Ylivaara, Andreas Langner, Satu Ek, Jari Malm, Jaakko Julin, Mikko Laitinen, Saima Ali, Sakari Sintonen, Harri Lipsanen, Timo Sajavaara, Riikka L. Puurunen
2022
Journal of Vacuum Science and Technology A: Vacuum, Surfaces and Films
Broadband Photodetectors through Tunable Tunneling Heterointerfaces
Hoon Hahn Yoon, Henry A. Fernandez, Fedor Nigmatulin, Yunyun Dai, Faisal Ahmed, Xiaoqi Cui, Xueyin Bai, Diao Li, Mingde Du, Harri Lipsanen, Zhipei Sun
2022
Hybrid Photodetection Mechanisms Tuned with Tunneling
Hoon Hahn Yoon, Henry A. Fernandez, Fedor Nigmatulin, Yunyun Dai, Faisal Ahmed, Xiaoqi Cui, Xueyin Bai, Diao Li, Mingde Du, Harri Lipsanen, Zhipei Sun
2022
2022 IEEE 22nd International Conference on Nanotechnology, NANO 2022
Miniaturized spectrometers with a tunable van der Waals junction
Hoon Hahn Yoon, Henry A. Fernandez, Fedor Nigmatulin, Weiwei Cai, Zongyin Yang, Hanxiao Cui, Faisal Ahmed, Xiaoqi Cui, Md Gius Uddin, Ethan D. Minot, Harri Lipsanen, Kwanpyo Kim, Pertti Hakonen, Tawfique Hasan, Zhipei Sun
2022
Science
Multilayer MoTe2 Field-Effect Transistor at High Temperatures
Faisal Ahmed, Abde Mayeen Shafi, David M.A. Mackenzie, Maaz Ahmed Qureshi, Henry A. Fernandez, Hoon Hahn Yoon, Md Gius Uddin, Markku Kuittinen, Zhipei Sun, Harri Lipsanen
2021
Advanced Materials Interfaces
Effect of crystal structure on the Young's modulus of GaP nanowires
Prokhor A. Alekseev, Bogdan R. Borodin, Pavel Geydt, Vladislav Khayrudinov, Kristina Bespalova, Demid A. Kirilenko, Rodion R. Reznik, Alexey Nashchekin, Tuomas Haggren, Erkki Lahderanta, George E. Cirlin, Harri Lipsanen, Mikhail S. Dunaevskiy
2021
Nanotechnology
Applied electromagnetic optics simulations for nanophotonics
Nicklas Anttu, Henrik Mäntynen, Anastasiia Sorokina, Jari Turunen, Toufik Sadi, Harri Lipsanen
2021
Journal of Applied Physics
Single-step chemical vapour deposition of anti-pyramid MoS2/WS2vertical heterostructures
Xueyin Bai, Shisheng Li, Susobhan Das, Luojun Du, Yunyun Dai, Lide Yao, Ramesh Raju, Mingde Du, Harri Lipsanen, Zhipei Sun
2021
Nanoscale
GaAs surface passivation for InAs/GaAs quantum dot based nanophotonic devices
Abhiroop Chellu, Eero Koivusalo, Marianna Raappana, Sanna Ranta, Ville Polojärvi, Antti Tukiainen, Kimmo Lahtonen, Jesse Saari, Mika Valden, Heli Seppänen, Harri Lipsanen, Mircea Guina, Teemu Hakkarainen
2021
Nanotechnology
Optical amplification by surface-plasmon-resonant Au grating substrates: Monolayer MoS2 with 170-fold second harmonic generation and 3-fold (off-resonance) Raman scattering
Joonas T. Holmi, Ramesh Raju, Jonas Ylönen, Nagarajan Subramaniyam, Harri Lipsanen
2021
Superlattices and Microstructures
Grass-like alumina coated window harnesses the full omnidirectional potential of black silicon photodiodes
Christoffer Kauppinen, Toni Pasanen, Kirill Isakov, Michael Serue, Juha Heinonen, Ville Vähänissi, Harri Lipsanen, Hele Savin
2021
Applied Optics
All-parylene flexible wafer-scale graphene thin film transistor
Maria Kim, David M.A. Mackenzie, Wonjae Kim, Kirill Isakov, Harri Lipsanen
2021
Applied Surface Science
Thermoelectric Characteristics of InAs Nanowire Networks Directly Grown on Flexible Plastic Substrates
Tomi Koskinen, Vladislav Khayrudinov, Fahimeh Emadi, Hua Jiang, Tuomas Haggren, Harri Lipsanen, Ilkka Tittonen
2021
ACS Applied Energy Materials
Ultrafast carrier dynamics and nonlinear optical response of InAsP nanowires
Junting Liu, He Yang, Vladislav Khayrudinov, Harri Lipsanen, Hongkun Nie, Kejian Yang, Baitao Zhang, Jingliang He
2021
Photonics Research
Symmetry Reduction in FEM Optics Modeling of Single and Periodic Nanostructures
Henrik Mantynen, Harri Lipsanen, Nicklas Anttu
2021
SYMMETRY
Tuning of emission wavelength of CaS:Eu by addition of oxygen using atomic layer deposition
José Rosa, Jouko Lahtinen, Jaakko Julin, Zhipei Sun, Harri Lipsanen
2021
Materials
Trends in Carbon, Oxygen, and Nitrogen Core in the X-ray Absorption Spectroscopy of Carbon Nanomaterials : A Guide for the Perplexed
Sami Sainio, Niklas Wester, Anja Aarva, Charles J. Titus, Dennis Nordlund, Esko I. Kauppinen, Elli Leppänen, Tommi Palomäki, Jessica E. Koehne, Olli Pitkänen, Krisztian Kordas, Maria Kim, Harri Lipsanen, Miran Mozetič, Miguel A. Caro, M. Meyyappan, Jari Koskinen, Tomi Laurila
2021
Journal of Physical Chemistry C
Deterministic Modification of CVD Grown Monolayer MoS2 with Optical Pulses
Mikko T. Turunen, Eero Hulkko, Kamila K. Mentel, Xueyin Bai, Suvi Tuuli Akkanen, Mohammad Amini, Shisheng Li, Harri Lipsanen, Mika Pettersson, Zhipei Sun
2021
Advanced Materials Interfaces
Giant All-Optical Modulation of Second-Harmonic Generation Mediated by Dark Excitons
Yadong Wang, Susobhan Das, Fadil Iyikanat, Yunyun Dai, Shisheng Li, Xiangdong Guo, Xiaoxia Yang, Jinluo Cheng, Xuerong Hu, Masood Ghotbi, Fangwei Ye, Harri Lipsanen, Shiwei Wu, Tawfique Hasan, Xuetao Gan, Kaihui Liu, Dong Sun, Qing Dai, F. Javier García De Abajo, Jianlin Zhao, Zhipei Sun
2021
ACS Photonics
Mechanical and optical properties of as-grown and thermally annealed titanium dioxide from titanium tetrachloride and water by atomic layer deposition
Oili M.E. Ylivaara, Andreas Langner, Xuwen Liu, Dieter Schneider, Jaakko Julin, Kai Arstila, Sakari Sintonen, Saima Ali, Harri Lipsanen, Timo Sajavaara, Simo-Pekka Hannula, Riikka L. Puurunen
2021
Thin Solid Films
Graphene/Bi2Se3 Heterojunction Phototransistor Using Photogating Effect Modulated by Tunable Tunneling Resistance
Hoon Hahn Yoon, Faisal Ahmed, Yunyun Dai, Henry A. Fernandez, Xiaoqi Cui, Xueyin Bai, DIao Li, Mingde Du, Harri Lipsanen, Zhipei Sun
2021
Tunable Quantum Tunneling through a Graphene/Bi2Se3 Heterointerface for the Hybrid Photodetection Mechanism
Hoon Hahn Yoon, Faisal Ahmed, Yunyun Dai, Henry Fernandez Pizarro, Xiaoqi Cui, Xueyin Bai, Diao Li, Mingde Du, Harri Lipsanen, Zhipei Sun
2021
ACS applied materials & interfaces
Photodegradation of surface passivated GaAs nanowires
P. A. Alekseev, A. N. Smirnov, V. Yu Davydov, Tuomas Haggrén, Harri Lipsanen, M. S. Dunaevskiy, V. L. Berkovits
2020
Journal of Physics: Conference Series
Comparison of absorption simulation in semiconductor nanowire and nanocone arrays with the Fourier modal method, the finite element method, and the finite-difference time-domain method
Nicklas Anttu, Henrik Mäntynen, Toufik Sadi, Antti Matikainen, Jari Turunen, Harri Lipsanen
2020
Nano Express
Geometry Tailoring of Emission from Semiconductor Nanowires and Nanocones
Nicklas Anttu, Henrik Mäntynen, Anastasiia Sorokina, Pyry Kivisaari, Toufik Sadi, Harri Lipsanen
2020
Photonics
Production and processing of graphene and related materials
Claudia Backes, Amr M. Abdelkader, Concepción Alonso, Amandine Andrieux-Ledier, Raul Arenal, Jon Azpeitia, Nilanthy Balakrishnan, Luca Banszerus, Julien Barjon, Ruben Bartali, Sebastiano Bellani, Claire Berger, Reinhard Berger, M. M.Bernal Ortega, Carlo Bernard, Peter H. Beton, André Beyer, Alberto Bianco, Peter Bøggild, Francesco Bonaccorso, Gabriela Borin Barin, Cristina Botas, Rebeca A. Bueno, Daniel Carriazo, Andres Castellanos-Gomez, Meganne Christian, Artur Ciesielski, Tymoteusz Ciuk, Matthew T. Cole, Jonathan Coleman, Camilla Coletti, Luigi Crema, Huanyao Cun, Daniela Dasler, Domenico De Fazio, Noel Díez, Simon Drieschner, Georg S. Duesberg, Roman Fasel, Xinliang Feng, Alberto Fina, Stiven Forti, Costas Galiotis, Giovanni Garberoglio, Jorge M. García, Jose Antonio Garrido, Marco Gibertini, Armin Gölzhäuser, Julio Gómez, Thomas Greber, Frank Hauke, Adrian Hemmi, Irene Hernandez-Rodriguez, Andreas Hirsch, Stephen A. Hodge, Yves Huttel, Peter U. Jepsen, Ignacio Jimenez, Ute Kaiser, Tommi Kaplas, Ho Kwon Kim, Andras Kis, Konstantinos Papagelis, Kostas Kostarelos, Aleksandra Krajewska, Kangho Lee, Changfeng Li, Harri Lipsanen, Andrea Liscio, Martin R. Lohe, Annick Loiseau, Lucia Lombardi, Maria Francisca López, Oliver Martin, Cristina Martín, Lidia Martínez, Jose Angel Martin-Gago, José Ignacio Martínez, Nicola Marzari, Álvaro Mayoral, John McManus, Manuela Melucci, Javier Méndez, Cesar Merino, Pablo Merino, Andreas P. Meyer, Elisa Miniussi, Vaidotas Miseikis, Neeraj Mishra, Vittorio Morandi, Carmen Munuera, Roberto Muñoz, Hugo Nolan, Luca Ortolani, Anna K. Ott, Irene Palacio, Vincenzo Palermo, John Parthenios, Iwona Pasternak, Amalia Patane, Maurizio Prato, Henri Prevost, Vladimir Prudkovskiy, Nicola Pugno, Teófilo Rojo, Antonio Rossi, Pascal Ruffieux, Paolo Samorì, Léonard Schué, Eki Setijadi, Thomas Seyller, Giorgio Speranza, Christoph Stampfer, Ingrid Stenger, Wlodek Strupinski, Yuri Svirko, Simone Taioli, Kenneth B.K. Teo, Matteo Testi, Flavia Tomarchio, Mauro Tortello, Emanuele Treossi, Andrey Turchanin, Ester Vazquez, Elvira Villaro, Patrick R. Whelan, Zhenyuan Xia, Rositza Yakimova, Sheng Yang, G. Reza Yazdi, Chanyoung Yim, Duhee Yoon, Xianghui Zhang, Xiaodong Zhuang, Luigi Colombo, Andrea C. Ferrari, Mar Garcia-Hernandez
2020
2D Materials
Fabrication-friendly polarization-sensitive plasmonic grating for optimal surface-enhanced Raman spectroscopy
Arpan Dutta, Tarmo Nuutinen, Khairul Alam, Antti Matikainen, Peng Li, Eero Hulkko, J. Jussi Toppari, Harri Lipsanen, Guoguo Kang
2020
Journal of the European Optical Society
Nanowire-assisted microcavity in a photonic crystal waveguide and the enabled high-efficiency optical frequency conversions
Linpeng Gu, Liang Fang, Qingchen Yuan, Xuetao Gan, Yang Hao, Xutao Zhang, Juntao Li, Hanlin Fang, Vladislav Khayrudinov, Harri Lipsanen, Zhipei Sun, Jianlin Zhao
2020
Photonics Research
Management of light and scattering in InP NWs by dielectric polymer shell
Tuomas Haggren, Nicklas Anttu, Henrik Mäntynen, Camilla Tossi, Maria Kim, Vladislav Khayrudinov, Harri Lipsanen
2020
Nanotechnology
Superhydrophobic Antireflection Coating on Glass Using Grass-like Alumina and Fluoropolymer
Kirill Isakov, Christoffer Kauppinen, Sami Franssila, Harri Lipsanen
2020
ACS applied materials & interfaces
Tailoring the longitudinal electric fields of high-order laser beams and their direct verification in three dimensions
Leevi Kallioniemi, Léo Turquet, Harri Lipsanen, Martti Kauranen, Godofredo Bautista
2020
Optics Communications
Metalorganic vapor phase epitaxy of wurtzite InP nanowires on GaN
Christoffer Kauppinen, Tuomas Haggren, Harri Lipsanen, Markku Sopanen
2020
Applied Physics Letters
High performance complementary WS2devices with hybrid Gr/Ni contacts
Muhammad Farooq Khan, Faisal Ahmed, Shania Rehman, Imtisal Akhtar, Malik Abdul Rehman, Pragati A. Shinde, Karim Khan, Deok Kee Kim, Jonghwa Eom, Harri Lipsanen, Zhipei Sun
2020
Nanoscale
Direct Growth of Light-Emitting III–V Nanowires on Flexible Plastic Substrates
Vladislav Khayrudinov, Maxim Remennyi, Vidur Raj, Prokhor Alekseev, Boris Matveev, Harri Lipsanen, Tuomas Haggren
2020
ACS Nano
Hybrid GaAs nanowire-polymer device on glass: Al-doped ZnO (AZO) as transparent conductive oxide for nanowire based photovoltaic applications
Vladislav Khayrudinov, Henrik Mäntynen, Veer Dhaka, Alexander Pyymaki Perros, Tuomas Haggren, Henri Jussila, Harri Lipsanen
2020
Journal of Crystal Growth
Nonlinear optical absorption properties of InP nanowires and applications as a saturable absorber
Junting Liu, Hongkun Nie, Bingzheng Yan, Kejian Yang, He Yang, Vladislav Khayrudinov, Harri Lipsanen, Baitao Zhang, Jingliang He
2020
Photonics Research
Review of fabrication methods of large-area transparent graphene electrodes for industry
Petri Mustonen, David M.A. Mackenzie, Harri Lipsanen
2020
Frontiers of Optoelectronics
On cracking in thick GaN layers grown on sapphire substrates
M. G. Mynbaeva, A. A. Sitnikova, A. N. Smirnov, K. D. Mynbaev, H. Lipsanen, A. Kremleva, D. A. Bauman, V. E. Bougrov, A. E. Romanov
2020
Materials Physics and Mechanics
Nanowire oligomer waveguide modes towards reduced lasing threshold
Henrik Mäntynen, Nicklas Anttu, Harri Lipsanen
2020
Materials
Erbium-doped hybrid waveguide amplifiers with net optical gain on a fully industrial 300 mm silicon nitride photonic platform
John Ronn, Jianhao Zhang, Weiwei Zhang, Zhengrui Tu, Antti Matikainen, Xavier Leroux, Elena Duran-Valdeiglesias, Nathalie Vulliet, Frederic Boeuf, Carlos Alonso-Ramos, Harri Lipsanen, Laurent Vivien, Zhipei Sun, Eric Cassan
2020
Optics Express
Experimental Study and Simulation of the Spectral Characteristics of LED Heterostructures with an InAs Active Region
A. A. Semakova, S. N. Lipnitskaya, K. D. Mynbaev, N. L. Bazhenov, S. S. Kizhaev, A. V. Chernyaev, N. D. Stoyanov, H. Lipsanen
2020
Technical Physics Letters
Absorption modeling with FMM, FEM and FDTD
Nicklas Anttu, Henrik Mantynen, Toufik Sadi, Antti Matikainen, Jari Turunen, Harri Lipsanen
2019
19th International Conference on Numerical Simulation of Optoelectronic Devices, NUSOD 2019
Comparison of FMM, FEM and FDTD for absorption modeling of nanostructured solar cells and photodetectors
Nicklas Anttu, Henrik Mantynen, Toufik Sadi, Antti Matikainen, Jari Turunen, Harri Lipsanen
2019
OSA Advanced Photonics Congress (AP) 2019 (IPR, Networks, NOMA, SPPCom, PVLED)
Site-specific growth of oriented ZnO nanocrystal arrays
Rekha Bai, Dinesh Pandya, Sujeet Chaudhary, Veer Dhaka, Vladislav Khayrudinov, Jori Lemettinen, Christoffer Kauppinen, Harri Lipsanen
2019
Beilstein Journal of Nanotechnology
Growth of GaAs Nanowire – Graphite Nanoplatelet Hybrid Structures
Yury Berdnikov, Niсkolay Sibirev, Vladislav Khayrudinov, Andrei Alaferdov, Stanislav Moshkalev, Evgenii Ubyivovk, Harri Lipsanen, Alexey Buravlev
2019
CrystEngComm
Analysis of doping distribution in horizontal GaAs nanowires with axial p-n junction by the conductive atomic force microscopy
B R Borodin, P A Alekseev, M S Dunaevskiy, V Khayrudinov, H Lipsanen
2019
Journal of Physics: Conference Series
Determination of Young’s Modulus of Wurtzite III–V Nanowires by the Methods of Scanning Probe Microscopy
M. S. Dunaevskiy, P. A. Alekseev, P. Geydt, E. Lahderanta, T. Haggren, H. Lipsanen
2019
Journal of Surface Investigation
Enhanced optical properties of InP nanowires by conformal polymer coating
Tuomas Haggren, Maria Kim, Nicklas Anttu, Vladislav Khayrudinov, Henrik Mantynen, Camilla Tossi, Harri Lipsanen
2019
Thermal conductivity suppression in GaAs–AlAs core–shell nanowire arrays
Taneli Juntunen, Tomi Koskinen, Vladislav Khayrudinov, Tuomas Haggren, Hua Jiang, Harri Lipsanen, Ilkka Tittonen
2019
Nanoscale
Light-emitting InAs nanowires grown by MOVPE directly on flexible plastic substrates
Vladislav Khayrudinov, Tuomas Haggren, Maxim Remennyy, Prokhor Alekseev, Boris Matveev, Harri Lipsanen
2019
Surface potential response from GaP nanowires synthesized with mixed crystal phases
B Kyeyune, Ekaterina Soboleva, P Geydt, Vladislav Khayrudinov, Prokhor Alekseev, Harri Lipsanen, E Lähderanta
2019
Journal of Physics: Conference Series
Enhanced Tunneling in a Hybrid of Single-Walled Carbon Nanotubes and Graphene
Yongping Liao, Kimmo Mustonen, Semir Tulić, Viera Skákalová, Sabbir A. Khan, Patrik Laiho, Qiang Zhang, Changfeng Li, Mohammad R.A. Monazam, Jani Kotakoski, Harri Lipsanen, Esko I. Kauppinen
2019
ACS Nano
InAs-Nanowire-based Broadband Ultrafast Optical Switch
Junting Liu, Vladislav Khayrudinov, He Yang, Yue Sun, Boris Matveev, Maxim Remennyi, Kejian Yang, Tuomas Haggren, Harri Lipsanen, Fengqiu Wang, Baitao Zhang, Jingliang He
2019
Journal of Physical Chemistry Letters
Single-photon sources with quantum dots in III-V nanowires
Henrik Mäntynen, Nicklas Anttu, Zhipei Sun, Harri Lipsanen
2019
Nanophotonics
Ultra-high on-chip optical gain in erbium-based hybrid slot waveguides
John Rönn, Weiwei Zhang, Anton Autere, Xavier Leroux, Lasse Pakarinen, Carlos Alonso-Ramos, Antti Säynätjoki, Harri Lipsanen, Laurent Vivien, Eric Cassan, Zhipei Sun
2019
Nature Communications
Aluminum Nitride Transition Layer for Power Electronics Applications Grown by Plasma-Enhanced Atomic Layer Deposition
Heli Seppänen, Iurii Kim, Jarkko Etula, Evgeniy Ubyivovk, Alexey Buravlev, Harri Lipsanen
2019
Materials
High photoresponsivity and broadband photodetection with a band-engineered WSe 2 /SnSe 2 heterostructure
Hui Xue, Yunyun Dai, Wonjae Kim, Yadong Wang, Xueyin Bai, Mei Qi, Kari Halonen, Harri Lipsanen, Zhipei Sun
2019
Nanoscale
Mode couplings of a semiconductor nanowire scanning across a photonic crystal nanocavity
Qingchen Yuan, Liang Fang, Qiang Zhao, Yadong Wang, Bo Mao, Vladislav Khayrudinov, Harri Lipsanen, Zhipei Sun, Jianlin Zhao, Xuetao Gan
2019
Chinese Optics Letters
Low-Temperature Plasma-Enhanced Atomic Layer Deposition of SiO 2 Using Carbon Dioxide
Zhen Zhu, Perttu Sippola, Oili M.E. Ylivaara, Chiara Modanese, Marisa Di Sabatino, Kenichiro Mizohata, Saoussen Merdes, Harri Lipsanen, Hele Savin
2019
Nanoscale Research Letters
Nonlinear Optics with 2D Layered Materials
Anton Autere, Henri Jussila, Yunyun Dai, Yadong Wang, Harri Lipsanen, Zhipei Sun
2018
Advanced Materials
Optical harmonic generation in monolayer group-VI transition metal dichalcogenides
Anton Autere, Henri Jussila, Andrea Marini, J. R.M. Saavedra, Yunyun Dai, Antti Säynätjoki, Lasse Karvonen, He Yang, Babak Amirsolaimani, Robert A. Norwood, Nasser Peyghambarian, Harri Lipsanen, Khanh Kieu, F. Javier García De Abajo, Zhipei Sun
2018
Physical Review B
Coherent Electron Transport in Metamaterials of Integrated Semiconductor Quantum Dots and Biomolecules for Medical Imaging Applications
B. H. Bairamov, V. V. Toporov, F. B. Bayramov, O. B. Chakchir, H. Lipsanen, I. Tittonen, M. Kira
2018
2018 12th International Congress on Artificial Materials for Novel Wave Phenomena, METAMATERIALS 2018
Lifetimes of the Vibrational States of DNA Molecules in Functionalized Complexes of Semiconductor Quantum Dots
F. B. Bayramov, E. D. Poloskin, A. L. Chernev, V. V. Toporov, M. V. Dubina, C. Sprung, H. K. Lipsanen, B. Kh Bairamov
2018
Technical Physics Letters
Measurement of the bending of thin inclined nanowires as a method for determining elastic modulus
M. S. Dunaevskiy, P. A. Alekseev, P. Geydt, E. Lahderanta, T. Haggren, H. Lipsanen
2018
IOP Conference Series: Materials Science and Engineering
III–V nanowires on black silicon and low-temperature growth of self-catalyzed rectangular InAs NWs
Tuomas Haggren, Vladislav Khayrudinov, Veer Dhaka, Hua Jiang, Syed Shah, Maria Kim, Harri Lipsanen
2018
Scientific Reports
Identifying threading dislocation types in ammonothermally grown bulk α-GaN by confocal Raman 3-D imaging of volumetric stress distribution
Joonas Holmi, Bakhysh H. Bairamov, Sami Suihkonen, Harri Lipsanen
2018
Journal of Crystal Growth
Wide-Band Black Silicon with Atomic Layer Deposited NbN
Kirill Isakov, Alexander Pyymaki Perros, Ali Shah, Harri Lipsanen
2018
Nanotechnology
Transfer and patterning of chemical vapor deposited graphene by a multifunctional polymer film
Tommi Kaplas, Arijit Bera, Antti Matikainen, Pertti Pääkkönen, Harri Lipsanen
2018
Applied Physics Letters
Tribological properties of thin films made by atomic layer deposition sliding against silicon
Lauri Kilpi, Oili M.E. Ylivaara, Antti Vaajoki, Xuwen Liu, Ville Rontu, Sakari Sintonen, Eero Haimi, Jari Malm, Markus Bosund, Marko Tuominen, Timo Sajavaara, Harri Lipsanen, Simo Pekka Hannula, Riikka L. Puurunen, Helena Ronkainen
2018
Journal of Vacuum Science and Technology A: Vacuum, Surfaces and Films
Photoresponse of Graphene-Gated Graphene-GaSe Heterojunction Devices
Wonjae Kim, Sanna Arpiainen, Hui Xue, Miika Soikkeli, Mei Qi, Zhipei Sun, Harri Lipsanen, Ferney A. Chaves, David Jimenez, Mika Prunnila
2018
ACS Applied Nano Materials
Effect of Surface Wear on Corrosion Protection of Steel by CrN Coatings Sealed with Atomic Layer Deposition
Jarmo Leppäniemi, Perttu Sippola, Antti Peltonen, Jari J. Aromaa, Harri Lipsanen, Jari Koskinen
2018
ACS Omega
Active synchronization and modulation of fiber lasers with a graphene electro-optic modulator
Diao Li, Hui Xue, Yadong Wang, Mei Qi, Wonjae Kim, Changfeng Li, Juha Riikonen, Zhaoyu Ren, Jintao Bai, Harri Lipsanen, Zhipei Sun
2018
Optics Letters
Atomic layer deposition of AlN from AlCl3 using NH3 and Ar/NH3 plasma
Ville Rontu, Perttu Sippola, Mikael Broas, Glenn Ross, Harri Lipsanen, Mervi Paulasto-Kröckel, Sami Franssila
2018
JOURNAL OF VACUUM SCIENCE AND TECHNOLOGY A
Comparison of mechanical properties and composition of magnetron sputter and plasma enhanced atomic layer deposition aluminum nitride films
Perttu Sippola, Alexander Pyymaki Perros, Oili M.E. Ylivaara, Helena Ronkainen, Jaakko Julin, Xuwen Liu, Timo Sajavaara, Jarkko Etula, Harri Lipsanen, Riikka L. Puurunen
2018
Journal of Vacuum Science and Technology A: Vacuum, Surfaces and Films
Terahertz generation by periodic arrays of GaAs/AlGaAs core/shell nanowires
V. N. Trukhin, I. A. Mustafin, J. P. Kakko, H. Lipsanen
2018
Journal of Physics: Conference Series
Ultrafast Dynamics of Photoinduced Electron–Hole Plasma in Semiconductor Nanowires
V. N. Trukhin, A. D. Bouravleuv, I. A. Mustafin, G. E. Cirlin, J. P. Kakko, H. Lipsanen
2018
Semiconductors
Demonstration of longitudinally polarized optical needles
Léo Turquet, Xiaorun Zang, Joona Pekko Kakko, Harri Lipsanen, Godofredo Bautista, Martti Kauranen
2018
Optics Express
A MoSe2/WSe2 Heterojunction-Based Photodetector at Telecommunication Wavelengths
Hui Xue, Yadong Wang, Yunyun Dai, Wonjae Kim, Henri Jussila, Mei Qi, Jannatul Susoma, Zhaoyu Ren, Qing Dai, Jianlin Zhao, Kari Halonen, Harri Lipsanen, Xiaomu Wang, Xuetao Gan, Zhipei Sun
2018
Advanced Functional Materials
Nanowire network–based multifunctional all-optical logic gates
He Yang, Vladislav Khayrudinov, Veer Dhaka, Hua Jiang, Anton Autere, Henri Jussila, Harri Lipsanen, Zhipei Sun
2018
Science Advances
Low‐Power Continuous‐Wave Second Harmonic Generation in Semiconductor Nanowires
Qingchen Yuan, Liang Fang, He Yang, Xuetao Gan, Vladislav Khayrudinov, Harri Lipsanen, Zhipei Sun, Jianlin Zhao
2018
LASER AND PHOTONICS REVIEWS
Influence of plasma parameters on the properties of ultrathin Al2O3 films prepared by plasma enhanced atomic layer deposition below 100 °c for moisture barrier applications
Zhen Zhu, Perttu Sippola, Harri Lipsanen, Hele Savin, Saoussen Merdes
2018
Japanese Journal of Applied Physics
Review Article : Recommended reading list of early publications on atomic layer deposition - Outcome of the "Virtual Project on the History of ALD"
Esko Ahvenniemi, Andrew R. Akbashev, Saima Ali, Mikhael Bechelany, Maria Berdova, Stefan Boyadjiev, David C. Cameron, Rong Chen, Mikhail Chubarov, Veronique Cremers, Anjana Devi, Viktor Drozd, Liliya Elnikova, Gloria Gottardi, Kestutis Grigoras, Dennis M. Hausmann, Cheol Seong Hwang, Shih Hui Jen, Tanja Kallio, Jaana Kanervo, Ivan Khmelnitskiy, Do Han Kim, Lev Klibanov, Yury Koshtyal, A. Outi I. Krause, Jakob Kuhs, Irina Kärkkänen, Marja Leena Kääriäinen, Tommi Kääriäinen, Luca Lamagna, Adam A. Łapicki, Markku Leskelä, Harri Lipsanen, Jussi Lyytinen, Anatoly Malkov, Anatoly Malygin, Abdelkader Mennad, Christian Militzer, Jyrki Molarius, Małgorzata Norek, Çaǧla Özgit-Akgün, Mikhail Panov, Henrik Pedersen, Fabien Piallat, Georgi Popov, Riikka L. Puurunen, Geert Rampelberg, Robin H A Ras, Erwan Rauwel, Fred Roozeboom, Timo Sajavaara, Hossein Salami, Hele Savin, Nathanaelle Schneider, Thomas E. Seidel, Jonas Sundqvist, Dmitry B. Suyatin, Tobias Törndahl, J. Ruud Van Ommen, Claudia Wiemer, Oili M E Ylivaara, Oksana Yurkevich
2017
JOURNAL OF VACUUM SCIENCE AND TECHNOLOGY A
I-V curve hysteresis induced by gate-free charging of GaAs nanowires' surface oxide
P. A. Alekseev, P. Geydt, M. S. Dunaevskiy, E. Lähderanta, T. Haggrén, J. P. Kakko, H. Lipsanen
2017
Applied Physics Letters
Rapid and Large-Area Characterization of Exfoliated Black Phosphorus Using Third-Harmonic Generation Microscopy
Anton Autere, Christopher R. Ryder, Antti Säynätjoki, Lasse Karvonen, Babak Amirsolaimani, Robert A. Norwood, Nasser Peyghambarian, Khanh Kieu, Harri Lipsanen, Mark C. Hersam, Zhipei Sun
2017
Journal of Physical Chemistry Letters
Nonlinear microscopy using cylindrical vector beams
Godofredo Bautista, Joona Pekko Kakko, Veer Dhaka, Xiaorun Zang, Lasse Karvonen, Hua Jiang, Esko Kauppinen, Harri Lipsanen, Martti Kauranen
2017
Optics Express
Detection of raman scattering spectra of high spectral resolution in short oligonucleotides
F. B. Bayramov, Vladimir V. Toporov, E.D. Poloskin, A.L. Chernev, Mikhail V. Dubina, H. Lipsanen, Bakhysh H. Bairamov
2017
Herald of the Bauman Moscow State Technical University. Series Natural Sciences
MBE growth of nanowires using colloidal Ag nanoparticles
Alexei D. Bouravleuv, I. V. Ilkiv, Rodion Reznik, I. V. Shtrom, A.I. Khrebtov, Yu B. Samsonenko, I. P. Soshnikov, George E. Cirlin, H. Lipsanen
2017
33rd International Conference on the Physics of Semiconductors
New method for MBE growth of GaAs nanowires on silicon using colloidal Au nanoparticles
A. Bouravleuv, I. Ilkiv, R. Reznik, K. Kotlyar, I. Soshnikov, G. Cirlin, P. Brunkov, D. Kirilenko, L. Bondarenko, A. Nepomnyaschiy, D. Gruznev, A. Zotov, A. Saranin, Veer Dhaka, Harri Lipsanen
2017
Nanotechnology
Young's Modulus of Wurtzite and Zinc Blende InP Nanowires
Mikhail Dunaevskiy, Pavel Geydt, Erkki Lähderanta, Prokhor Alekseev, Tuomas Haggrén, Joona Pekko Kakko, Hua Jiang, Harri Lipsanen
2017
Nano Letters
Scaling of graphene field-effect transistors supported on hexagonal boron nitride
Pedro C. Feijoo, Francisco Pasadas, José M. Iglesias, Maria J. Martin, Raul Rengel, Changfeng Li, Wonjae Kim, Juha Riikonen, Harri Lipsanen, David Jiménez
2017
Nanotechnology
Nanowire encapsulation with polymer for electrical isolation and enhanced optical properties
Tuomas Haggren, Syed Shah, Anton Autere, Joona Pekko Kakko, Veer Dhaka, Maria Kim, Teppo Huhtio, Zhipei Sun, Harri Lipsanen
2017
Nano Research
New Approach for Thickness Determination of Solution-Deposited Graphene Thin Films
Henri Jussila, Tom Albrow-Owen, He Yang, Guohua Hu, Sinan Aksimsek, Niko Granqvist, Harri Lipsanen, Richard C.T. Howe, Zhipei Sun, Tawfique Hasan
2017
ACS Omega
Measurement of Nanowire Optical Modes Using Cross-Polarization Microscopy
Joona-Pekko Kakko, Antti Matikainen, Nicklas Anttu, Sami Kujala, Henrik Mäntynen, Vladislav Khayrudinov, Anton Autere, Zhipei Sun, Harri Lipsanen
2017
Scientific Reports
Rapid visualization of grain boundaries in monolayer MoS2 by multiphoton microscopy
Lasse Karvonen, Antti Säynätjoki, Mikko J. Huttunen, Anton Autere, Babak Amirsolaimani, Shisheng Li, Robert A. Norwood, Nasser Peyghambarian, Harri Lipsanen, Goki Eda, Khanh Kieu, Zhipei Sun
2017
Nature Communications
Direct transfer of Wafer-scale graphene films
Maria Kim, Ali Shah, Changfeng Li, Petri Mustonen, Jannatul Susoma, Farshid Manoocheri, Juha Riikonen, Harri Lipsanen
2017
2 D Materials
Versatile Water-Based Transfer of Large-Area Graphene Films onto Flexible Substrates
Maria Kim, Changfeng Li, Jannatul Susoma, Juha Riikonen, Harri Lipsanen
2017
MRS Advances
Corrosion protection of steel with multilayer coatings: Improving the sealing properties of physical vapor deposition CrN coatings with Al2O3/ TiO2 atomic layer deposition nanolaminates
Jarmo Leppäniemi, Perttu Sippola, Mikael Broas, Jari Aromaa, Harri Lipsanen, Jari Koskinen
2017
Thin Solid Films
Graphene actively Q-switched lasers
Diao Li, Hui Xue, Mei Qi, Yadong Wang, Sinan Aksimsek, Nikolai Chekurov, Wonjae Kim, Changfeng Li, Juha Riikonen, Fangwei Ye, Qing Dai, Zhaoyu Ren, Jintao Bai, Tawfique Hasan, Harri Lipsanen, Zhipei Sun
2017
2 D Materials
Electroluminescence of InAs/InAs(Sb)/InAsSbP LED heterostructures in the temperature range 4.2-300 K
K. D. Mynbaev, N. L. Bazhenov, A. A. Semakova, M. P. Mikhailova, N. D. Stoyanov, S. S. Kizhaev, S. S. Molchanov, A. P. Astakhova, A. V. Chernyaev, H. Lipsanen, V. E. Bougrov
2017
Semiconductors
Spontaneous and stimulated emission in InAsSb-based LED heterostructures
K.D. Mynbaev, N. L. Bazhenov, A. A. Semakova, A. V. Chernyaev, S. S. Kizhaev, N. D. Stoyanov, Vladislav E. Bougrov, H. Lipsanen, Kh M. Salikhov
2017
INFRARED PHYSICS AND TECHNOLOGY
Low temperature and high quality atomic layer deposition HfO2 coatings
Alexander Pyymaki Perros, Perttu Sippola, Elisa Arduca, Leena Sisko Johansson, Harri Lipsanen
2017
2017 IMAPS Nordic Conference on Microelectronics Packaging, NordPac 2017
COMPOSITE FILM COMPRISING AN ELECTRICALLY CONDUCTIVE LAYER
Juha Riikonen,, Maria Grigoryeva,, Ali Shah, Changfeng Li,, Harri Lipsanen,
2017
Komposiittikalvo, joka käsittää sähköä johtavan kerroksen;Kompositfilm som omfattar ett elledande skikt
Juha Riikonen,, Maria Grigoryeva,, Ali Shah, Changfeng Li,, Harri Lipsanen,
2017
Crystal quality of two-dimensional gallium telluride and gallium selenide using Raman fingerprint
Jannatul Susoma, Jouko Lahtinen, Maria Kim, Juha Riikonen, Harri Lipsanen
2017
AIP Advances
Ultra-strong nonlinear optical processes and trigonal warping in MoS2 layers
Antti Säynätjoki, Lasse Karvonen, Habib Rostami, Anton Autere, Soroush Mehravar, Antonio Lombardo, Robert A. Norwood, Tawfique Hasan, Nasser Peyghambarian, Harri Lipsanen, Khanh Kieu, Andrea C. Ferrari, Marco Polini, Zhipei Sun
2017
Nature Communications
Fast dynamics of photoexcited electron-hole plasma in GaAs nanowires
V. N. Trukhin, A. D. Bouravleuv, I. A. Mustafin, A. I. Eliseev, G. E. Cirlin, J. P. Kakko, H. Lipsanen
2017
2017 42nd International Conference on Infrared, Millimeter, and Terahertz Waves, IRMMW-THz 2017
Optically excited THz generation from ordered arrays of GaAs nanowires
V. N. Trukhin, A. D. Bouravleuv, I. A. Mustafin, J. P. Kakko, H. Lipsanen
2017
3rd International Conference “Information Technology and Nanotechnology” , ITNT- 2017, 25-27 April 2017, Samara, Russia
Nonlinear imaging of nanostructures using beams with binary phase modulation
Léo Turquet, Joona Pekko Kakko, Hua Jiang, Tero J. Isotalo, Teppo Huhtio, Tapio Niemi, Esko Kauppinen, Harri Lipsanen, Martti Kauranen, Godofredo Bautista
2017
Optics Express
Probing the longitudinal electric field of Bessel beams using second-harmonic generation from nano-objects
Léo Turquet, Joona Pekko Kakko, Lasse Karvonen, Hua Jiang, Esko Kauppinen, Harri Lipsanen, Martti Kauranen, Godofredo Bautista
2017
Journal of Optics
Tailorable second-harmonic generation from an individual nanowire using spatially phase-shaped beams
Léo Turquet, Joona Pekko Kakko, Xiaorun Zang, Liisa Naskali, Lasse Karvonen, Hua Jiang, Teppo Huhtio, Esko Kauppinen, Harri Lipsanen, Martti Kauranen, Godofredo Bautista
2017
LASER AND PHOTONICS REVIEWS
Aluminum oxide/titanium dioxide nanolaminates grown by atomic layer deposition
Oili M E Ylivaara, Lauri Kilpi, Xuwen Liu, Sakari Sintonen, Saima Ali, Mikko Laitinen, Jaakko Julin, Eero Haimi, Timo Sajavaara, Harri Lipsanen, Simo-Pekka Hannula, Helena Ronkainen, Riikka Puurunen
2017
JOURNAL OF VACUUM SCIENCE AND TECHNOLOGY A
Thermal conductivity of amorphous Al2O3/TiO2 nanolaminates deposited by atomic layer deposition
Saima Ali, Taneli Juntunen, Sakari Sintonen, Oili M E Ylivaara, Riikka Puurunen, Harri Lipsanen, Ilkka Tittonen, Simo Pekka Hannula
2016
Nanotechnology
Direct comparison of second and third harmonic generation in mono- and few-layer MX2 (M=Mo, W; X=S, Se) by multiphoton microscope
Anton Autere, Antti Säynätjoki, Lasse Karvonen, Babak Amirsolaimani, Henri Jussila, He Yang, Robert A. Norwood, Nasser Peyghambarian, Harri Lipsanen, Khanh Kieu, Zhipei Sun
2016
2016 Conference on Lasers and Electro-Optics, CLEO 2016
Integration of atomic layer deposited nanolaminates on silicon waveguides (Conference Presentation)
Anton Autere, Lasse Karvonen, Antti Säynätjoki, Matthieu Roussey, John Rönn, Elina Färm, Marianna Kemell, Xiaoguang Tu, Tsung-Yang Liow, Patrick Lo, Mikko Ritala, Markku Leskelä, Harri Lipsanen, Seppo Honkanen, Zhipei Sun
2016
SILICON PHOTONICS AND PHOTONIC INTEGRATED CIRCUITS V
Growth and properties of self-catalyzed (In,Mn)As nanowires
Alexei Bouravleuv, George Cirlin, Rodion Reznik, Artem Khrebtov, Yuriy Samsonenko, Peter Werner, Ilya Soshnikov, Alexander Savin, Harri Lipsanen
2016
PHYSICA STATUS SOLIDI: RAPID RESEARCH LETTERS
Structural and chemical analysis of annealed plasma-enhanced atomic layer deposition aluminum nitride films
Mikael Broas, Perttu Sippola, Timo Sajavaara, Vesa Vuorinen, Alexander Pyymaki Perros, Harri Lipsanen, Mervi Paulasto-Kröckel
2016
JOURNAL OF VACUUM SCIENCE AND TECHNOLOGY A
Protective capping and surface passivation of III-V nanowires by atomic layer deposition
Veer Dhaka, Alexander Perros, Shagufta Naureen, Naeem Shahid, Hua Jiang, Joona-Pekko Kakko, Tuomas Haggren, Esko Kauppinen, Anand Srinivasan, Harri Lipsanen
2016
AIP Advances
Synthesis and properties of ultra-long InP nanowires on glass
Veer Dhaka, Ville Pale, Vladislav Khayrudinov, Joona-Pekko Kakko, Tuomas Haggren, Hua Jiang, Esko Kauppinen, Harri Lipsanen
2016
Nanotechnology
Direct measurement of elastic modulus of InP nanowires with Scanning Probe Microscopy in PeakForce QNM mode
P. Geydt, M. Dunaevskiy, P. Alekseev, J. P. Kakko, T. Haggrén, E. Lähderanta, H. Lipsanen
2016
Journal of Physics: Conference Series
Pavir šiaus pasyvacijos įtakos pavieni ų GaAs nanovam zdeli ų elektrinėms savyb ėms tyrimas matuojant srov ės priklausomybę nue įtampos atominės mikroskopu
P. Geydt, P. A. Alekseev, M. S. Dunaevskiy, T. Haggrén, J. P. Kakko, E. Lähderanta, H. Lipsanen
2016
LITHUANIAN JOURNAL OF PHYSICS
Lithography-free shell-substrate isolation for core-shell GaAs nanowires
Tuomas Haggren, Alexander Pyymaki Perros, Hua Jiang, Teppo Huhtio, Joona Pekko Kakko, Veer Dhaka, Esko Kauppinen, Harri Lipsanen
2016
Nanotechnology
Optical characterization of directly deposited graphene on a dielectric substrate
Tommi Kaplas, Lasse Karvonen, Sepehr Ahmadi, Babak Amirsolaimani, Soroush Mehravar, Nasser Peyghambarian, Khanh Kieu, Seppo Honkanen, Harri Lipsanen, Yuri Svirko
2016
Optics Express
Direct observation of confined acoustic phonon polarization branches in free-standing semiconductor nanowires
Fariborz Kargar, Bishwajit Debnath, Joona Pekko Kakko, Antti Säynätjoki, Harri Lipsanen, Denis L. Nika, Roger K. Lake, Alexander A. Balandin
2016
Nature Communications
A technique for large-area position-controlled growth of GaAs nanowire arrays
Christoffer Kauppinen, Tuomas Haggren, Aleksandr Kravchenko, Hua Jiang, Teppo Huhtio, Esko Kauppinen, Veer Dhaka, Sami Suihkonen, Matti Kaivola, Harri Lipsanen, Markku Sopanen
2016
Nanotechnology
Tunable Graphene-GaSe Dual Heterojunction Device
Wonjae Kim, Changfeng Li, Ferney A. Chaves, David Jiménez, Raul D. Rodriguez, Jannatul Susoma, Matthias A. Fenner, Harri Lipsanen, Juha Riikonen
2016
Advanced Materials
Synchrotron X-ray diffraction topography study of bonding-induced strain in silicon-on-insulator wafers
A. Lankinen, T. O. Tuomi, P. Kostamo, H. Jussila, S. Sintonen, H. Lipsanen, M. Tilli, Jari Mäkinen, A. N. Danilewsky
2016
Thin Solid Films
Black phosphorus polycarbonate polymer composite for pulsed fibre lasers
Diao Li, Antonio Esau Del Rio Castillo, Henri Jussila, Guojun Ye, Zhaoyu Ren, Jintao Bai, Xianhui Chen, Harri Lipsanen, Zhipei Sun, Francesco Bonaccorso
2016
Applied Materials Today
TEM study of defect structure of GaN epitaxial films grown on GaN/Al2O3 substrates with buried column pattern
M. G. Mynbaeva, A. V. Kremleva, D. A. Kirilenko, A. A. Sitnikova, A. I. Pechnikov, K. D. Mynbaev, V. I. Nikolaev, V. E. Bougrov, H. Lipsanen, A. E. Romanov
2016
Journal of Crystal Growth
Influence of absorber characteristics on operation regimes of passive mode locked lasers based on InGaAlAs/InGaAs/InP heterostructures
I. S. Polukhin, G. A. Mikhailovskiy, D. A. Rybalko, Yu V. Solov'Ev, E. P. Petukhov, M. A. Odnoblyudov, E. S. Kolodeznyi, A. K. Mikhailov, V. E. Bougrov, H. Lipsanen
2016
Materials Physics and Mechanics
Atomic layer deposition of highly doped Er:Al2O3 and Tm:Al2O3 for silicon-based waveguide amplifiers
John Rönn, Lasse Karvonen, Alexander Pyymaki-Perros, Nasser N. Peyghambarian, Harri Lipsanen, Antti Säynätjoki, Zhipei Sun
2016
Atomic layer engineering of Er-ion distribution in highly doped Er:Al2O3 for photoluminescence enhancement
John Rönn, Lasse Karvonen, Christoffer Kauppinen, Alexander Pyymaki Perros, Nasser Peyghambarian, Harri Lipsanen, Antti Säynätjoki, Zhipei Sun
2016
ACS Photonics
Enhancement of the photoluminescence in Er-doped Al2O3 fabricated by atomic layer deposition
John Rönn, Lasse Karvonen, Alexander Pyymäki-Perros, Nasser Peyghambarian, Harri Lipsanen, Antti Säynätjoki, Zhipei Sun
2016
Integrated Optics: Devices, Materials, and Technologies XX
Pyrolytic carbon coated black silicon
Ali Shah, Petri Stenberg, Lasse Karvonen, Rizwan Ali, Seppo Honkanen, Harri Lipsanen, N. Peyghambarian, Markku Kuittinen, Yuri Svirko, Tommi Kaplas
2016
Scientific Reports
Surface passivation of GaAs nanowires by the atomic layer deposition of AlN
I. V. Shtrom, A. D. Bouravleuv, Yu B. Samsonenko, A. I. Khrebtov, I. P. Soshnikov, R. R. Reznik, G. E. Cirlin, V. Dhaka, A. Perros, H. Lipsanen
2016
Semiconductors
Second and third harmonic generation in few-layer gallium telluride characterized by multiphoton microscopy
Jannatul Susoma, Lasse Karvonen, Antti Säynätjoki, Soroush Mehravar, Robert A. Norwood, Nasser Peyghambarian, Khanh Kieu, Harri Lipsanen, Juha Riikonen
2016
Applied Physics Letters
Efficient terahertz generation by ordered arrays of GaAs nanowires
V. N. Trukhin, A. D. Bouravleuv, I. A. Mustafin, V. V. Rumyantsev, S. V. Morozov, D. I. Kuritsyn, G. E. Cirlin, J. P. Kakko, T. Huhtio, H. Lipsanen
2016
41st International Conference on Infrared, Millimeter and Terahertz Waves, IRMMW-THz 2016
Resonant features of the terahertz generation in semiconductor nanowires
V. N. Trukhin, A. D. Bouravleuv, I. A. Mustafin, G. E. Cirlin, D. I. Kuritsyn, V. V. Rumyantsev, S. V. Morosov, J. P. Kakko, T. Huhtio, H. Lipsanen
2016
Semiconductors
Nonlinear microscopy of nano-objects using excitation beam profiles with engineered phase jumps
L. Turquet, J. P. Kakko, Lasse Karvonen, H. Jiang, T. J. Isotalo, T. Huhtio, T. Niemi, E. Kauppinen, H. Lipsanen, M. Kauranen, G. Bautista
2016
2016 Conference on Lasers and Electro-Optics, CLEO 2016
Slot waveguide ring resonators coated by an atomic layer deposited organic/inorganic nanolaminate
A. Autere, Lasse Karvonen, A. Säynätjoki, M. Roussey, E. Färm, M. Kemell, X. Tu, T. Y. Liow, G. Q. Lo, M. Ritala, M. Leskelä, S. Honkanen, H. Lipsanen, Z. Sun
2015
Optics Express
Second-harmonic generation imaging of semiconductor nanowires by focused vector beams
Godofredo Bautista, Jouni Mäkitalo, Ya Chen, Veer Dhaka, Marco Grasso, Lasse Karvonen, Hua Jiang, Mikko J. Huttunen, Teppo Huhtio, Harri Lipsanen, Martti Kauranen
2015
Nano Letters
A physics-based model of gate-tunable metal-graphene contact resistance benchmarked against experimental data
Ferney A. Chaves, David Jimenez, Abhay A. Sagade, Won Kim, Juha Riikonen, Harri Lipsanen, Daniel Neumaier
2015
2 D Materials
Optical limiting in solutions of InP and GaAs nanowires and hybrid systems based on such nanocrystals
V.V. Danilov, A.I. Khrebtov, A.S. Panfutova, G.E. Cirlin, A.D. Bouravleuv, Veer Dhaka, Harri Lipsanen
2015
Technical Physics Letters
Observation of linear I-V curves on vertical GaAs nanowires with atomic force microscope
P. Geydt, P.A. Alekseev, M. Dunaevskiy, Erkki Lähderanta, Tuomas Haggren, Joona-Pekko Kakko, Harri Lipsanen
2015
Journal of Physics: Conference Series
Solubility of Boron, Carbon, and Nitrogen in Transition Metals: Getting Insight into Trends from First-Principles Calculations
Xiaohui Hu, Torborn Björkman, Harri Lipsanen, Lito Sun, Arkady V. Krasheninnikov
2015
Journal of Physical Chemistry Letters
Fabrication of Dual-Type Nanowire Arrays on a Single Substrate
Joona-Pekko P. Kakko, Tuomas Haggrén, Veer Dhaka, Teppo Huhtio, Antti Peltonen, Hua Jiang, Esko Kauppinen, Harri Lipsanen
2015
Nano Letters
Investigation of second- and third-harmonic generation in few-layer gallium selenide by multiphoton microscopy
Lasse Karvonen, Antti Säynätjoki, Soroush Mehravar, Raul D. Rodriguez, Susanne Hartmann, Dietrich R.T. Zahn, Seppo Honkanen, Robert A. Norwood, Nasser Peyghambarian, Khanh Kieu, Harri Lipsanen, Juha Riikonen
2015
Scientific Reports
Observing grain boundaries in monolayer molybdenum disulphide by multiphoton microscopy
Lasse Karvonen, Antti Säynätjoki, Babak Amirsolaimani, Shisheng Li, Soroush Mehravar, Nasser Peyghambarian, Harri Lipsanen, Goki Eda, Khanh Kieu, Zhipei Sun
2015
Nonlinear Optics, NLO 2015
All-Graphene Three-Terminal Junction Field-Effect Devices as Rectifiers and Inverters
Wonjae Kim, Changfeng Li, Nikolai Chekurov, Sanna Arpiainen, Deji Akinwande, Harri Lipsanen, Juha Riikonen
2015
ACS Nano
Polarization and thickness dependent absorption properties of black phosphorus
Diao Li, Henri Jussila, Lasse Karvonen, Guojun Ye, Harri Lipsanen, Xianhui Chen, Zhipei Sun
2015
Scientific Reports
Nanotribological, nanomechanical and interfacial characterization of Atomic Layer Deposited TiO2 on a silicon substrate
Jussi Lyytinen, Xuwen Liu, Oili M. E. Ylivaara, Sakari Sintonen, Ajai Iyer, Saima Ali, Jaakko Julin, Harri Lipsanen, Timo Sajavaara, Riikka L. Puurunen, Jari Koskinen
2015
Wear
Edge effect modeling and study for three-chip RGB light-emitting diodes
A.I. Podosinnikov, G.E. Romanova, S.A. Scheglov, V.S. Peretyagin, K.D. Mynbaev, Harri Lipsanen, V.E. Bougrov
2015
Scientific and Technical Journal of Information Technologies, Mechanics and Optics
Critical thickness and bow of pseudomorphic InxGa1-xAs-based laser heterostructures grown on (001)GaAs and (001)InP substrates
M.E. Rudinsky, S.Yu. Karpov, Harri Lipsanen, A.E. Romanov
2015
Materials Physics and Mechanics
Wafer-scale self-organized InP nanopillars with controlled orientation for photovoltaic devices
Reza Sanatinia, Audrey Berrier, Veer Dhaka, Alexander Perros, Teppo Huhtio, Harri Lipsanen, Srinivasan Anand
2015
Nanotechnology
Second and third harmonic generation in few-layer gallium telluride by multiphoton microscopy
Jannatul Susoma, Lasse Karvonen, Antti Säynätjoki, Soroush Mehravar, Robert A. Norwood, Nasser Peyghambarian, Kahn Kieu, Harri Lipsanen, Juha Riikonen
2015
Multiphoton Characterization of Two-Dimensional Layered Materials
Antti Säynätjoki, Lasse Karvonen, Juha Riikonen, Wonjae Kim, Soroush Mehravar, Robert Norwood, Nasser Peyghambarian, Khanh Kieu, Harri Lipsanen
2015
Generation of terahertz radiation in ordered arrays of GaAs nanowires
V.N. Trukhin, A.D. Bouravleuv, I.A. Mustafin, Joona-Pekko Kakko, Teppo Huhtio, G.E. Cirlin, Harri Lipsanen
2015
Applied Physics Letters
The effect of resonant Mie absorption under THz radiation emission in semiconductor nanowires
V.N. Trukhin, Alexei D. Buravlev, A.I. Eliseev, I.A. Mustafa, A.V. Trukhin, Joona-Pekko Kakko, Teppo Huhtio, Harri Lipsanen
2015
Optics and Spectroscopy
Processing and characterization of epitaxial GaAs radiation detectors
X. Wu, T. Peltola, T. Arsenovich, A. Gadda, J. Harkonen, A. Junkes, A. Karadzhinova, Pasi Kostamo, Harri Lipsanen, P. Luukka, M. Mattila, S. Nenonen, T. Riekkinen, E. Tuominen, A. Winkler
2015
NUCLEAR INSTRUMENTS AND METHODS IN PHYSICS RESEARCH SECTION A: ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT
Broadband laser polarization control with aligned carbon nanotubes
He Yang, Bo Fu, Diao Li, Ying Tian, Ya Chen, Marco Mattila, Zhenzhong Yong, Ru Li, Abdou Hassanien, Changxi Yang, Ilkka Tittonen, Re Zhaoyu, Jintao Bai, Qingwen Li, Esko I. Kauppinen, Harri Lipsanen, Zhipei Sun
2015
Nanoscale
Detection of high-resolution Raman spectra in short oligonucleotides
Farid B. Bairamov, E.D. Poloskin, A.L. Chernev, Vladimir V. Toporov, Mikhail V. Dubina, E. Lahderanta, Harri Lipsanen, Bakhysh Bairamov
2014
JETP Letters
High-resolution Raman scattering in oligonucleotides
Farid B. Bairamov, E.D. Poloskin, A.L. Chernev, Vladimir V. Toporov, Mikhail V. Dubina, E. Lahderanta, A. Lashkul, H. Lipsanen, Bakhysh Bairamov
2014
Technical Physics Letters
High-resolution Raman scattering in oligonucleotides
Farid B. Bairamov, E.D. Poloskin, A.L. Chernev, Vladimir V. Toporov, Mikhail V. Dubina, A. Lashkul, E. Lahderanta, Harri Lipsanen, Bakhysh Bairamov
2014
PHYSICS OF THE SOLID STATE
Resonant raman scattering in complexes of nc-Si/SiO2 quantum dots and oligonucleotides
Farid B. Bairamov, E.D. Poloskin, A.A. Kornev, A.L. Chernev, Vladimir V. Toporov, Mikhail V. Dubina, C. Röder, Carl Sprung, Harri Lipsanen, Bakhysh Bairamov
2014
Technical Physics Letters
Nonlinear imaging of vertically aligned semiconductor nanowires using focused vector beams
G. Bautista, J. Mäkitalo, Y. Chen, V. Dhaka, M. Grasso, L. Karvonen, H. Jiang, M. J. Huttunen, T. Huhtio, H. Lipsanen, M. Kauranen
2014
European Conference on Lasers and Electro-Optics, CLEO 2015
Second harmonic generation imaging of vertically aligned GaAs nanowires
Godofredo Bautista, Jouni Mäkitalo, Ya Chen, Veer Dhaka, Marco Grasso, Mikko Huttunen, Lasse Karvonen, Teppo Huhtio, Harri Lipsanen, Martti Kauranen
2014
COST MP1302 Nanospectroscopy Conference, Eberhard Karls University Tübingen, Germany, March 24-28, 2014
Functionalization of nc-Si/SiO2 semiconductor quantum dots by oligonucleotides
Bakhysh Bayramov, E.D. Poloskin, A.A. Kornev, A.L. Chernev, Vladimir V. Toporob, Mikhail V. Dubina, C. Röder, Carl Sprung, Harri Lipsanen, Bakhysh H. Bairamov
2014
Semiconductors
Corrigendum: Exceptionally strong and robust millimeterscale graphene-alumina composite (Nanotechnology (2014) 25, (355701))
Maria Berdova, Alexander Pyymaki Perros, Won Kim, Juha Riikonen, Tuomo Ylitalo, Jouni Heino, Changfeng Li, Ivan Kassamakov, Edward Hæggström, Harri Lipsanen, Sami Franssila
2014
Nanotechnology
Exceptionally strong and robust millimeter-scale graphenealumina composite membranes
Maria Berdova, Alexander Perros, Wonjae Kim, Juha Riikonen, Tuomo Ylitalo, Jouni Heino, Changfeng Li, Ivan Kassamakov, Edward Hæggström, Harri Lipsanen, Sami Franssila
2014
Nanotechnology
Low-height sharp edged patterns for capillary self-alignment assisted hybrid microassembly
Bo Chang, Ali Shah, Iiris Routa, Harri Lipsanen, Quan Zhou
2014
JOURNAL OF MICRO-BIO ROBOTICS
Water Mist-induced Parallel Self-alignment of Microchips on Hydrophilic/Super-hydrophobic Nanostructured Surface
Bo Chang, Ali Shah, Harri Lipsanen, Quan Zhou
2014
Improved SERS Intensity from Silver Coated Black Silicon by Tuning Surface Plasmons
Ya Chen, Guogang Kang, Ali Shah, Ville Pale, Ying Tian, Zhipei Sun, Ilkka Tittonen, Seppo Honkanen, Harri Lipsanen
2014
Advanced Materials Interfaces
Broadband polarization dynamics control with aligned carbon nanotubes
Bo Fu, He Yang, Ya Chen, Marco Mattila, Zhenzhong Yong, Qingwen Li, Changxi Yang, Ilkka Tittonen, Harri Lipsanen, Zhipei Sun
2014
Nanocarbon Photonics and Optoelectronics, Joensuu, Finland, July 21 - August 1, 2014
Fabrication of aligned carbon nanotube device and its application for polarization controlling
Bo Fu, He Yang, Ya Chen, Marco Mattila, Zhenzhong Yong, Qingwen Li, Changxi Yang, Ilkka Tittonen, Harri Lipsanen, Zhipei Sun
2014
1st Annual Conference of the COST Action MP1302 Nanospectroscopy, Eberhard Karls University Tübingen, Germany, March 24 - 28, 2014
Polarization dynamics control with aligned carbon nanotubes
Bo Fu, He Yang, Ya Chen, Marco Mattila, Zhenzhong Yong, Qingwen Li, Changxi Yang, Ilkka Tittonen, Harri Lipsanen, Zhipei Sun
2014
Optics & Photonics Days 2014, Radisson Blu Marina Palace, Turku, Finland, May 20-22, 2014
Effects of Zn doping on GaAs nanowires
T. Haggren, J. P. Kakko, H. Jiang, V. Dhaka, T. Huhtio, H. Lipsanen
2014
14th IEEE International Conference on Nanotechnology
Strong surface passivation of GaAs nanowires with ultrathin InP and GaP capping layers
T. Haggren, H. Jiang, J.-P. Kakko, T. Huhtio, V. Dhaka, E. Kauppinen, H. Lipsanen
2014
Applied Physics Letters
Photo-induced electron transfer at nanostructured semiconductorzinc porphyrin interface
Hanna Hakola, Alexander Pyymaki Perros, Pasi Myllyperkiö, Kei Kurotobi, Harri Lipsanen, Hiroshi Imahori, Helge Lemmetyinen, Nikolai V. Tkachenko
2014
Chemical Physics Letters
Substitutionality of nitrogen atoms and formation of nitrogen complexes and point defects in GaPN alloys
H. Jussila, Kin Man Yu, J. Kujala, F. Tuomisto, Nagarajan Subramaniyam, J. Lemettinen, T. Huhtio, T.O. Tuomi, H. Lipsanen, M. Sopanen
2014
Journal of Physics D: Applied Physics
Reflectance measurements of triangular lattice GaAs nanowire arrays
Joona Pekko Kakko, Tuomas Haggrén, Teppo Huhtio, Veer Dhaka, Harri Lipsanen
2014
14th IEEE International Conference on Nanotechnology
Investigation of optical nonlinearities in few-layer gallium selenide by multiphoton microscopy
Lasse Karvonen, Antti Säynätjoki, Soroush Mehravar, Raul D. Rodriquez, Susanne Hartmann, Dietrich R.T. Zahn, Seppo Honkanen, Robert A. Norwood, Nasser Peyghambarian, Khanh Kieu, Harri Lipsanen, Juha Riikonen
2014
The Fourth International Workshop on Nanocarbon Photonics and Optoelectronics, Huhmari, Polvijärvi, Finland, July 27-August 1, 2014
Investigation of optical nonlinearities in graphene and layered semiconductors by multiphoton microscopy
Lasse Karvonen, Antti Säynätjoki, Soroush Mehravar, Juha Riikonen, Nasser Peyghambarian, Khanh K.Kieu, Harri Lipsanen
2014
The 8th Energy, Materials, and Nanotechnology (EMN) Meeting, EMN Fall 2014, Orlando, Florida, USA, November 22-25, 2014
Nanolaminate structures fabricated by ALD for reducing propagation losses and enhancing the third-order optical nonlinearities
Lasse Karvonen, Tapani Alasaarela, Henri Jussila, Soroush Mehravar, Ya Chen, Antti Säynätjoki, Robert A. Norwood, Nasser Peyghambarian, Khanh Kieu, Seppo Honkanen, Harri Lipsanen
2014
Optical Components and Materials XI
Impact of ALD grown passivation layers on silicon nitride based integrated optical devices for very-near-infrared wavelengths
Amit Khanna, Ananth Subramanian, Markus Häyrinen, Shankar Selvaraja, Peter Verheyen, Dries Van Thourhout, Seppo Honkanen, Harri Lipsanen, Roel Baets
2014
Optics Express
Properties of atomic-layer-deposited ultra-thin AlN films on GaAs surfaces
Päivi Mattila, Markus Bosund, Henri Jussila, Abuduwayiti Aierken, Juha Riikonen, Teppo Huhtio, Harri Lipsanen, Markku Sopanen
2014
Applied Surface Science
Leakage currents of large area InP/InGaAs heterostructures
Anders Olsson, Abuduwayiti Aierken, Jani Oksanen, Harri Lipsanen, Jukka Tulkki
2014
Materials Research Society Symposium Proceedings
Yield and leakage currents of large area lattice matched InP/InGaAs heterostructures
Anders Olsson, Abuduwayiti Aierken, Henri Jussila, Jan Bauer, Jani Oksanen, Otwin Breitenstein, Harri Lipsanen, Jukka Tulkki
2014
Journal of Applied Physics
Thermal and plasma enhanced atomic layer deposition of SiO2 using commercial silicon precursors
Matti Putkonen, M. Bosund, Oili M. E. Ylivaara, Riikka Puurunen, L. Kilpi, H. Ronkainen, S. Sintonen, S. Ali, H. Lipsanen, Xuwen Liu, Eero Haimi, Simo-Pekka Hannula, Timo Sajavaara, I. Buchanan, E. Karwacki, Mika Vähä-Nissi
2014
Thin Solid Films
Toward efficient graphene fabrication and ultrafast characterization
Juha Riikonen, Kim Kim, Changfeng Li, Antti Säynätjoki, Lasse Karvonen, Harri Lipsanen
2014
MRS Spring 2014, San Francisco, California, USA, April 21-25, 2014
Defect structure of a free standing GaN wafer grown by the ammonothermal method
Sakari Sintonen, Sami Suihkonen, Henri Jussila, Harri Lipsanen, Turkka O. Tuomi, Edward Letts, Sierra Hoff, Tadao Hashimoto
2014
Journal of Crystal Growth
Large-area analysis of dislocations in ammonothermal GaN by synchrotron radiation X-ray topography
Sakari Sintonen, Sami Suihkonen, Henri Jussila, Andreas Danilewsky, Romuald Stankiewicz, Turkka O. Tuomi, Harri Lipsanen
2014
Applied Physics Express
Synchrotron radiation x-ray topography and defect selective etching analysis of threading dislocations in GaN.
Sakari Sintonen, Mariusz Rudzinski, Sami Suihkonen, Henri Jussila, Michael Knetzger, Elke Meissner, Andreas Danilewsky, Turkka O. Tuomi, Harri Lipsanen
2014
Journal of Applied Physics
X-ray reflectivity characterization of atomic layer deposition Al2O3/TiO2 nanolaminates with ultrathin bilayers
Sakari Sintonen, Saima Ali, Oili M. E. Ylivaara, Riikka L. Puurunen, Harri Lipsanen
2014
JOURNAL OF VACUUM SCIENCE AND TECHNOLOGY A
Growth and characterisation of InGaN/GaN multi-quantum wells on etched c- and a-plane GaN nanopillars
Nagarajan Subramaniyam, Olli Svensk, P. Amit, Ali Shah, Azizur Rahman, Carina B. Maliakkal, Arnab Bhattacharya, Harri Lipsanen, Markku Sopanen
2014
17th International Conference on Metalorganic Vapor Phase Epitaxy, Lausanne, Switzerland, July 13-18, 2014
Stress distribution in GaN nanopillars using confocal Raman mapping technique
Nagarajan Subramaniyam, Olli Svensk, Lauri Lehtola, Harri Lipsanen, Markku Sopanen
2014
Applied Physics Letters
Effect of growth temperature on the epitaxial growth of ZnO on GaN by ALD
Suvi Särkijärvi, Sakari Sintonen, Filip Tuomisto, Markus Bosund, Sami Suihkonen, Harri Lipsanen
2014
Journal of Crystal Growth
Ultrafast Carrier Dynamics In GaAs Nanowires
V.N. Trukhin, A.D. Buravlev, Veer Dhaka, G.E. Cirlin, I.A. Mustafin, M.A. Kaliteevski, Harri Lipsanen, Y.B. Samsonenko
2014
LITHUANIAN JOURNAL OF PHYSICS
Tunable nonlinear effects through focused spatially phase-shaped beams
L. Turquet, G. Bautista, L. Karvonen, V. Dhaka, Y. Chen, H. Jiang, T. Huhtio, H. Lipsanen, M. Kauranen
2014
European Quantum Electronics Conference, EQEC 2015
Performance and Properties of Ultra-Thin Silicon Nitride X-ray Windows
Pekka T. Törmä, Jari Kostamo, Heikki Sipilä, Marco Mattila, Pasi Kostamo, Esa Kostamo, Harri Lipsanen, Christian Laubis, Frank Scholze, Nick Nelms, Brian Shortt, Marcos Bavdaz
2014
IEEE Transactions on Nuclear Science
Radiation detectors fabricated on high-purity GaAs epitaxial materials
Xiaopeng Wu, Pasi Kostamo, Akiko Gädda, Seppo Nenonen, Tommi Riekkinen, Jaakko Härkönen, Jaakko Salonen, Hans Andersson, Yuri Zhilyaev, Leonid Fedorov, Simo Eränen, Marco Mattila, Harri Lipsanen, Mika Prunnila, Juha Kalliopuska, Aarne Oja
2014
16th International Workshop on Radiation imaging detectors, 2226 June 2014,Trieste, Italy
Radiation detectors fabricated on high-purity GaAs epitaxial materials
Xiaopeng Wu, Pasi Kostamo, Akiko Gädda, Seppo Nenonen, Tommi Riekkinen, Jaakko Härkönen, Jaakko Salonen, Hans Andersson, Yuri Zhilyaev, Leonid Fedorov, Simo Eränen, Marco Mattila, Harri Lipsanen, Mika Prunnila, Juha Kalliopuska, Aarne Oja
2014
Journal of Instrumentation
Aluminum oxide from trimethylaluminum and water by atomic layer deposition: The temperature dependence of residual stress, elastic modulus, hardness and adhesion
Oili M. E. Ylivaara, Xuwen Liu, L. Kilpi, Jussi Lyytinen, D. Schneider, Mikko Laitinen, J. Julin, S. Ali, S. Sintonen, Maria Berdova, Eero Haimi, Timo Sajavaara, H. Ronkainen, H. Lipsanen, Jari Koskinen, Simo-Pekka Hannula, R.L. Puurunen
2014
Thin Solid Films
Electrical detection of picosecond acoustic pulses in vertical transport devices with nanowires
E.S.K. Young, A.D. Bouravleuv, G.E. Cirlin, Veer Dhaka, Harri Lipsanen, M. Tchernycheva, A.V. Scherbakov, A.V. Platonov, A.V. Akimov, A.J. Kent
2014
Applied Physics Letters
High quality crystallinity controlled ALD TiO2 for waveguiding applications
Tapani Alasaarela, Lasse Karvonen, Henri Jussila, Antti Säynätjoki, Soroush Mehravar, Robert A. Norwood, Nasser Peyghambarian, Khanh Kieu, Ilkka Tittonen, Harri Lipsanen
2013
Optics Letters
Ferromagnetic (Ga,Mn)As nanowires grown by Mn-assisted molecular beam epitaxy
Alexei Bouravleuv, George Cirlin, Victor Sapega, Peter Werner, Alexander Savin, Harri Lipsanen
2013
Journal of Applied Physics
New method of determining the Young’s modulus of (Ga,Mn)As nanowhiskers with a scanning electron microscope
Alexey Bouravleuv, Nicolai Sibirev, Daria Beznasyuk, Natalia Lebedeva, S. Novikov, Harri Lipsanen, Georgi Cirli
2013
PHYSICS OF THE SOLID STATE
Fabrication of Large-Area Plasmonic Nanostructures for Surface Enhanced Fluorescence
Ya Chen, Ali Shah, Ville Pale, Ilkka Tittonen, Harri Lipsanen
2013
13th IEEE International Conference on Nanotechnology
Aluminum-Induced Photoluminescence Red Shifts in CoreShell GaAs/AlxGa1xAs Nanowires
Veer Dhaka, Jani Oksanen, Hua Jiang, Tuomas Haggren, Antti Nykänen, Reza Sanatinia, Joona-Pekko Kakko, Teppo Huhtio, Marco Mattila, Janne Ruokolainen, Srinivasan Anand, Esko Kauppinen, Harri Lipsanen
2013
Nano Letters
GaAs nanowires grown on Al-doped ZnO buffer layer
Tuomas Haggren, Alexander Pyymaki Perros, Veer Dhaka, Teppo Huhtio, Henri Jussila, Hua Jiang, Mikko Ruoho, Joona-Pekko Kakko, Esko Kauppinen, Harri Lipsanen
2013
Journal of Applied Physics
Evaluation of critical thickness of GaP0.98N0.02 layer on GaP substrate by synchrotron X-ray diffraction topography
Henri Jussila, Nagarajan Subramaniyam, Sakari Sintonen, Sami Suihkonen, Aapo Lankinen, Teppo Huhtio, Carsten Paulmann, Harri Lipsanen, Turkka Tuomi, Markku Sopanen
2013
Thin Solid Films
Strong two-photon excitation fluorescence from GaAs and InP nanowires on glass substrate
L. Karvonen, Antti Säynätjoki, V. Dhaka, T. Haggren, S. Honkanen, S. Mehravar, R. Norwood, N. Peyghambarian, H. Lipsanen, K. Kieu
2013
2013 Conference on Lasers and Electro-Optics Europe and International Quantum Electronics Conference
Highly tunable local gate controlled complementary graphene device performing as inverter and voltage controlled resistor
Wonjae Kim, Juha Riikonen, Changfeng Li, Ya Chen, Harri Lipsanen
2013
Nanotechnology
Temperature dependence of droop onset in optically pumped intrinsic InGaAs/InP heterostructures
Anders Olsson, Abuduwayiti Aierken, Jani Oksanen, Sami Suihkonen, Harri Lipsanen, Jukka Tulkki
2013
Applied Physics Letters
Influence of plasma chemistry on impurity incorporation in AlN prepared by plasma enhanced atomic layer deposition
Alexander Pyymaki Perros, Hanna Hakola, Timo Sajavaara, Teppo Huhtio, Harri Lipsanen
2013
Journal of Physics D: Applied Physics
Photo-thermal chemical vapor deposition of graphene on copper
Juha Riikonen, Wonjae Kim, Changfeng Li, Olli Svensk, Sanna Arpiainen, Markku Kainlauri, Harri Lipsanen
2013
Carbon
Surface-Tension-Driven Self-Alignment of Microchips on Black-Silicon-Based Hybrid Template in Ambient Air
Ali Shah, Bo Chang, S Suihkonen, Quan Zhou, Harri Lipsanen
2013
Journal of Microelectromechanical Systems
Strain-compensated GaPN/GaP heterostructure on (0?0?1) silicon substrates for intermediate band solar cells
Nagarajan Subramaniyam, Henri Jussila, Jori Lemettinen, Kaustuv Banerjee, Markku Sopanen, Harri Lipsanen
2013
Journal of Physics D: Applied Physics
Stress distribution of GaN layer grown on micro-pillar patterned GaN templates
Nagarajan Subramaniyam, Olli Svensk, Muhammad Ali, Gunasekar Naresh-Kumar, Carol Trager-Cowan, Sami Suihkonen, Markku Sopanen, Harri Lipsanen
2013
Applied Physics Letters
Analysis of dislocations generated during metal-organic vapor phase epitaxy of GaN on patterned templates
Sami Suihkonen, Muhammad Ali, Pekka T. Törmä, Sakari Sintonen, Olli Svensk, Markku Sopanen, Harri Lipsanen, Vladimir N. Nevedomsky, Nikolay A. Bert
2013
Japanese Journal of Applied Physics
Fabrication of GaN Structures with Embedded Network of Voids Using Pillar Patterned GaN Templates
Olli Svensk, Muhammad Ali, Lauri Riuttanen, Pekka Törmä, Sakari Sintonen, Sami Suihkonen, Markku Sopanen, Harri Lipsanen
2013
Journal of Crystal Growth
Rapid Large-Area Multiphoton Microscopy for Characterization of Graphene
Antti Säynätjoki, Lasse Karvonen, Juha Riikonen, Wonjae Kim, Soroush Mehravar, Robert A. Norwood, Nasser Peyghambarian, Harri Lipsanen, Khanh Kieu
2013
ACS Nano
Third-harmonic and multiphoton excitation fluorescence microscopy of single and few layer graphene
Antti Säynätjoki, Lasse Karvonen, J. Riikonen, W. Kim, S. Mehravar, R. Norwood, N. Peyghambarian, H. Lipsanen, K. Kieu
2013
2013 Conference on Lasers and Electro-Optics Europe and International Quantum Electronics Conference
Carriers transport in GaAs nanowires
V. N. Trukhin, A. D. Buravlev, V. Dhaka, G. E. Cirlin, I. A. Mustafin, M. A. Kaliteevski, H. Lipsanen, L. L. Samoilov, Yu B. Samsonenko
2013
2013 38th International Conference on Infrared, Millimeter, and Terahertz Waves, IRMMW-THz
High-Performance Large-Area Ultra-Thin X-ray Window
Pekka Tuomas Törmä, Heikki Sipilä, Marco Mattila, Pasi Kostamo, Jari Kostamo, Esa Kostamo, Harri Lipsanen, Nick Nelms, Brian Shortt, Marcos Bavdaz, Christian Laubis
2013
Nuclear Science Symbosium (NSS-2012), Anaheim (CA, USA) 1.11.2012
Ultra-Thin Silicon Nitride X-Ray Windows
Pekka Tuomas Törmä, Heikki Johannes Sipilä, Marco Mattila, Pasi Kostamo, Jari Kostamo, Esa Kostamo, Harri Lipsanen, Nick Nelms, Brian Shortt, Marcos Bavdaz, Christian Laubis
2013
IEEE Transactions on Nuclear Science
Analysis of threading dislocations in void shape controlled GaN re-grown on hexagonally patterned mask-less GaN
Muhammad Ali, A.E. Romanov, Sami Suihkonen, Olli Svensk, Sakari Sintonen, Markku Sopanen, Harri Lipsanen, V.N. Nevedomsky, N.A. Bert, M.A. Odnoblyudov, V.E. Bougrov
2012
Journal of Crystal Growth
Enhancement of near-UV GaN LED light extraction efficiency by GaN/sapphire template patterning
Muhammad Ali, Lauri Riuttanen, M Kruse, Sami Suihkonen, A.E. Romanov, Pekka T. Törmä, Markku Sopanen, Harri Lipsanen, M.A. Odnoblyudov, V.E. Bougrov
2012
Semiconductor Science and Technology
Extraction of Graphene-Titanium Contact Resistances Using Transfer Length Measurement and a Curve-Fit Method
Johanna Anteroinen, Wonjae Kim, Kari Stadius, Juha Riikonen, Harri Lipsanen, Jussi Ryynänen
2012
World Academy of Science, Engineering and Technology
Graphene for Gigahertz Applications
Johanna Anteroinen, Wonjae Kim, Kari Stadius, Juha Riikonen, Harri Lipsanen, Jussi Ryynänen
2012
Swedish Radio and Microwave Days, Solna, Sweden, March 6-8.2012
Formation of (Ga,Mn)As Nanowires and Study of their Magnetic Properties
Alexei D. Bouravleuv, George E. Cirlin, Vladimir V. Romanov, Nikolai T. Bagraev, E.S. Brilinskaya, Natalia A. Lebedeva, S. V. Novikov, Harri Lipsanen, Vladimir G. Dubrovskii
2012
Semiconductors
Surface-tension driven self-assembly of microchips on hydrophobic receptor sites with water using forced wetting
Bo Chang, Ali Shah, Iiris Routa, Harri Lipsanen, Quan Zhou
2012
Applied Physics Letters
High Quality GaAs Nanowires Grown on Glass Substrates
Veer Dhaka, Tuomas Haggren, Henri Jussila, Hua Jiang, Esko Kauppinen, Teppo Huhtio, Markku Sopanen, Harri Lipsanen
2012
Nano Letters
Properties of GaAs nanowires grown on low-cost glass substrates
Veer Dhaka, Tuomas Haggren, Henri Jussila, Hua Jiang, Esko Kauppinen, Teppo Huhtio, Markku Sopanen, Harri Lipsanen
2012
6th Nanowire Growth Workshop, St. Petersburg, Russia, June 4-6
Remarkable shell-Induced redshift with GaAs/AlGaAs nanowires
Tuomas Haggren, Veer Dhaka, Henri Jussila, Hua Jiang, Esko Kauppinen, Teppo Huhtio, Markku Sopanen, Harri Lipsanen
2012
6th Nanowire Growth Workshop, St. Petersburg, Russia, June 4-6, 2012
Growth and characterization of GaP layers on silicon substrates by metal-organic vapour phase epitaxy
Henri Jussila, Nagarajan Subramaniyam, Päivi Mattila, Juha Riikonen, Teppo Huhtio, Markku Sopanen, Harri Lipsanen
2012
PHYSICA STATUS SOLIDI C: CURRENT TOPICS IN SOLID STATE PHYSICS
High-k GaAs metal insulator semiconductor capacitors passivated by ex-situ plasma-enhanced atomic layer deposited AlN for Fermi-level unpinning
Henri Jussila, Päivi Mattila, J. Oksanen, Alexander Perros, Juha Riikonen, Markus Bosund, Aapo Varpula, Teppo Huhtio, Harri Lipsanen, Markku Sopanen
2012
Applied Physics Letters
Structural study of crystal defects in thin GaP layers on (100) silicon substrates by X-ray diffraction
Henri Jussila, Nagarajan Subramaniyam, Sakari Sintonen, Teppo Huhtio, Turkka O. Tuomi, Harri Lipsanen, Markku Sopanen
2012
XXI International materials research congress,Cancun, Mexico, August 12 - 17, 2012
Structural study of GaP layers on misoriented silicon (001) substrates by transverse scan analysis
Henri Jussila, Nagarajan Subramaniyam, Teppo Huhtio, Harri Lipsanen, Turkka Tuomi, Markku Sopanen
2012
Journal of Applied Physics
Growth of CVD graphene on copper by rapid thermal processing
Wonjae Kim, Juha Riikonen, Sanna Arpiainen, Olli Svensk, Changfeng Li, Harri Lipsanen
2012
MRS Spring meetings, San Francisco, USA 2012
Nonlinear behavior of three-terminal graphene junctions at room temperature
Wonjae Kim, Pirjo Pasanen, Juha Riikonen, Harri Lipsanen
2012
Nanotechnology
Electrical measurement of internal quantum efficiency and extraction efficiency of III-N light-emitting diodes
Pyry Kivisaari, Lauri Riuttanen, Jani Oksanen, Sami Suihkonen, Muhammad Ali, Harri Lipsanen, Jukka Tulkki
2012
Applied Physics Letters
Comparison of ammonia plasma and AlN passivation by plasma-enhanced atomic layer deposition
Päivi Mattila, Markus Bosund, Teppo Huhtio, Harri Lipsanen, Markku Sopanen
2012
Journal of Applied Physics
The Effect of Atomic-Layer-Deposited AlN on Near Surface InGaAs/GaAs Structures
Päivi Mattila, Markus Bosund, Henri Jussila, O Gordyushenkov, Turkka Tuomi, Teppo Huhtio, Harri Lipsanen
2012
PHYSICA STATUS SOLIDI C: CURRENT TOPICS IN SOLID STATE PHYSICS
Graphene-enhanced Raman imaging of TiO2 nanoparticles
Denys Naumenko, Valetinas Snitka, Sanna Arpiainen, Harri Lipsanen
2012
Nanotechnology
Plasma etch characteristics of aluminum nitride mask layers grown by low-temperature plasma enhanced atomic layer deposition in SF(6) based plasmas
Alexander Perros, Markus Bosund, Timo Sajavaara, Mikko Laitinen, Lauri Sainiemi, Teppo Huhtio, Harri Lipsanen
2012
JOURNAL OF VACUUM SCIENCE AND TECHNOLOGY A
Synthesis of ZnO tetrapods for flexible and transparent UV sensors
S. Rackauskas, K. Mustonen, Terhi Järvinen, Marco Mattila, O. Klimova, H. Jiang, O. Tolochko, Harri Lipsanen, E.I. Kauppinen, A.G. Nasibulin
2012
Nanotechnology
Self-Assembled Porphyrins on Modified Zinc Oxide Nanorods: Development of Model Systems for Inorganic-Organic Semiconductor Interface Studies
Hanna Saarenpää, Essi Sariola-Leikas, Alexander Pyymaki Perros, Juha M. Kontio, Alexander Efimov, Hironobu Hayashi, Harri Lipsanen, Hiroshi Imahori, Helge Lemmetyinen, Nikolai V. Tkachenko
2012
Journal of Physical Chemistry C
Synchrotron radiation X-ray topography and X-ray diffraction of homoepitaxial GaN grown on ammonothermal GaN
Sakari Sintonen, Muhammad Ali, Sami Suihkonen, Pasi Kostamo, Olli Svensk, Markku Sopanen, Harri Lipsanen, Carsten Paulmann, Turkka O. Tuomi, Marcin Zajac
2012
PHYSICA STATUS SOLIDI C: CURRENT TOPICS IN SOLID STATE PHYSICS
Characterization of InGaAs/GaNAs strain-compensated quantum dot solar cells
Nagarajan Subramaniyam, M. Ali, Henri Jussila, Päivi Mattila, Abuduwayiti Aierken, Markku Sopanen, Harri Lipsanen
2012
PHYSICA STATUS SOLIDI C: CURRENT TOPICS IN SOLID STATE PHYSICS
MOCVD growth and characterization of near-surface InGaN/GaN single quantum wells for non-radiative coupling of optical excitations
Olli Svensk, Sami Suihkonen, Sakari Sintonen, O. Kopylov, R. Shirazi, Harri Lipsanen, Markku Sopanen, Beata Kardynal
2012
PHYSICA STATUS SOLIDI C: CURRENT TOPICS IN SOLID STATE PHYSICS
Photovoltaic properties of GaAsP coreshell nanowires on Si(001) substrate
M. Tchernycheva, L. Rigutti, G. Jacopin, Bugallo A de Luna, P. Lavenus, F.H. Julien, M. Timofeeva, A.D. Bouravleuv, G.E. Cirlin, V. Dhaka, H. Lipsanen, L. Largeau
2012
Nanotechnology
Enhanced 1.3 µm luminescence from InGaAs/GaAs quantum dots with GaAsN strain compensating layer
A. Aierken, S. Nagarajan, T. Huhtio, M. Sopanen, H. Lipsanen
2011
XIV European Workshop on Metalorganic Vapor Phase Epitaxy EW-MOVPE 2011
Void shape control in GaN re-grown on hexagonally patterned mask-less GaN
Muhammad Ali, A.E. Romanov, Sami Suihkonen, Olli Svensk, Pekka T. Törmä, Markku Sopanen, Harri Lipsanen, M.A. Odnoblyudov, V.E. Bougrov
2011
Journal of Crystal Growth
Electrical Properties of CVD-Graphene FETs
Johanna Anteroinen, Wonjae Kim, Kari Stadius, Juha Riikonen, Harri Lipsanen, Jussi Ryynänen
2011
29th Norchip Conference, November 14-15, 2011, Lund, Sweden
Rapid Thermal CVD of Graphene on Copper
Sanna Arpiainen, Olli Svensk, Wonjae Kim, Markku Kainlauri, Hua Jiang, Harri Lipsanen
2011
Imagenano graphene 2011, Bilbao, Espanja, April 11-14, 2011
Properties of AlN Film Grown by Plasma Enhanced Atomic Layer Deposition
M. Bosund, Matti Putkonen, Timo Sajavaara, Mikko I. Laitinen, T. Huhtio, V-M. Airaksinen, H. Lipsanen
2011
Properties of AlN grown by plasma enhanced atomic layer deposition
Markus Bosund, Timo Sajavaara, Mikko Laitinen, Teppo Huhtio, Matti Putkonen, Veli-Matti Airaksinen, Harri Lipsanen
2011
Applied Surface Science
Capillary-driven self-assembly of microchips on oleophilic/oleophobic patterned surface using adhesive droplet in ambient air
Bo Chang, Veikko Sariola, Susanna Aura, Robin H.A. Ras, Maria Klonner, Harri Lipsanen, Quan Zhou
2011
Applied Physics Letters
Nd-doped Bismuth Titanate based ferroelectric field effect transistor: Design, fabrication, and optimization
T. Feng, D. Xie, Y. Zang, Xaio Wu, Y. Luo, T. Ren, M. Bosund, S. Li, V.-M. Airaksinen, H. Lipsanen, S. Honkanen
2011
2011 IEEE International Conference of Electron Devices and Solid-State Circuits, EDSSC 2011
Growth and Characterization of GaP Layers on Silicon Substrates by MOVPE
Henri Jussila, Nagarajan Subramaniyam, Päivi Mattila, Teppo Huhtio, Markku Sopanen, Harri Lipsanen
2011
16th Semiconducting and Insulating Materials Conference (SIMC-XVI); KTH, Tukholma, Ruotsi; 19.-23.6.2011
Nonlinear behavior of three terminal graphene junctions at room temperature
Wonjae Kim, Pirjo Pasanen, Juha Riikonen, Markku Rouvala, Harri Lipsanen
2011
Imagenano graphene 2011, Bilbao, Spain, April 11-14, 2011
TlBr purification and single crystal growth for the detector applications
Vasilij Kozlov, Mikko Heikkilä, Pasi Kostamo, Harri Lipsanen, Markku Leskelä
2011
NUCLEAR INSTRUMENTS AND METHODS IN PHYSICS RESEARCH SECTION A: ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT
A single-pixel wireless contact lens display
A.R. Lingley, M. Ali, Y. Liao, R. Mirjalili, M. Klonner, M. Sopanen, S. Suihkonen, T. Shen, B.P. Otis, H. Lipsanen, B.A. Parviz
2011
Journal of Micromechanics and Microengineering
Characteristics of InGaAs/GaAsN quantum dot solar cells.
S. Nagarajan, M. Ali, P. Mattila, H. Jussila, A. Aierken, M Sopanen, H. Lipsanen
2011
International conference on Nitride Semiconductors-9, Glasgow, UK during July 10-15, 2011.
Enhanced 1.3 µm luminescence from InGaAs self-assembled quantum dots with a GaAsN strain-compensating layer
S. Nagarajan, A. Aierken, H. Jussila, K. Banerjee, M. Sopanen, H. Lipsanen
2011
Semiconductor Science and Technology
Temperature Dependence of Current-Voltage Characteristics of Au/Ga0.51In0.49P Schottky Barrier Diodes
Victor-Tapio Rangel-Kuoppa, Lauri Knuutila, Markku Sopanen, Harri Lipsanen, Alejandro Avila
2011
PHYSICS OF SEMICONDUCTORS: 30TH INTERNATIONAL CONFERENCE ON THE PHYSICS OF SEMICONDUCTORS
Temperature Dependence Of Current-Voltage Characteristics Of Au/p-GaAsN Schottky Barrier Diodes, With Small N Content
Victor-Tapio Rangel-Kuoppa, Outi Reentilä, Markku Sopanen, Harri Lipsanen
2011
PHYSICS OF SEMICONDUCTORS: 30TH INTERNATIONAL CONFERENCE ON THE PHYSICS OF SEMICONDUCTORS
Synchrotron Radiation X-Ray Topography and X-Ray Diffraction Investigation of Low Dislocation Density GaN
Sakari Sintonen, Sami Suihkonen, Pasi Kostamo, Olli Svensk, Muhammad Ali, Markku Sopanen, Harri Lipsanen, Turkka Tuomi, Carsten Paulmann
2011
16th Semiconducting and Insulating Materials Conference (SIMC-XVI); KTH, Tukholma,Ruotsi; 19.-23. Kesäkuuta 2011
X-ray diffraction study of GaN grown on patterned substrates
Sakari Sintonen, Muhammad Ali, Pekka T. Törmä, Sami Suihkonen, Pasi Kostamo, Olli Svensk, Markku Sopanen, Harri Lipsanen, C. Paulmann, Turkka Tuomi
2011
PHYSICA STATUS SOLIDI C: CURRENT TOPICS IN SOLID STATE PHYSICS
Inhomogeneous Barrier Height Analysis of (Ni/Au)InAlGaN/GaN Schottky Barrier Diode
Nagarajan Subramaniyam, Markku Sopanen, Harri Lipsanen, Chang-Hee Hong, Eun-Kyung Suh
2011
Japanese Journal of Applied Physics
Patterning of sapphire / GaN substrates
Sami Suihkonen, Muhammad Ali, Olli Svensk, Sakari Sintonen, Markku Sopanen, Harri Lipsanen, Pekka T. Törmä, V. Nevedomsky, N Bert
2011
PHYSICA STATUS SOLIDI C: CURRENT TOPICS IN SOLID STATE PHYSICS
MOCVD Growth and Characterization of Near-Surface InGaN/GaN Single Quantum Wells for Non-Radiative Coupling of Optical Exitations
Olli Svensk, Sami Suihkonen, Sakari Sintonen, O Kopylov, R Shirazi, Harri Lipsanen, Markku Sopanen, B E Kardynal
2011
16th Semiconducting and Insulating Materials Conference (SIMC-XVI); KTH, Tukholma,Ruotsi; 19.-23. Kesäkuuta 2011
Building molecular surface gradients with electron beam lithography
Outi Toikkanen, Nguyet Doan, Mikhail Erdmanis, Harri Lipsanen, Kyösti Kontturi, Babak Parviz
2011
Journal of Micromechanics and Microengineering
Growth temperature dependence of the electrical and structural properties of epitaxial graphene on SiC (0001)
E. Vesapuisto, W. Kim, S. Novikov, H. Lipsanen, P. Kuivalainen
2011
PHYSICA STATUS SOLIDI B: BASIC SOLID STATE PHYSICS
ATOMIC LAYER DEPOSITION HfO2 FILM USED AS BUFFER LAYER OF THE Pt/(Bi0.95Nd0.05)(Fe0.95Mn0.05)O3/HfO2/Si CAPACITORS FOR FeFET APPLICATION
D. Xie, T. Feng, Y Luo, Xueguang Han, T Ren, Markus Bosund, S. Li, Veli-Matti Airaksinen, H. Lipsanen, S. Honkanen
2011
JOURNAL OF ADVANCED DIELECTRICS
(GaMn)As nanowhiskers grown by molecular beam epitaxy
A. Bouravleuv, S. Novikov, N. Lebedeva, N. Sibirev, G. G.Cirlin, H. Lipsanen
2010
18th International Symposium Nanostructures: Physics and Technology, Saint Petersburg, Russia, 2126, June 2010
Influence of substrate temperature on the shape of GaAs nanowires grown by Auassisted MOVPE
A.D. Bouravleuv, N.V. Sibirev, G. Statkute, G.E. Cirlin, H. Lipsanen, V.G. Duborovskii
2010
Journal of Crystal Growth
Self-assembled InGaAs/GaAs quantum rings: Correlation of formation temperature and energy spectrum
O.S. Komkov, O.E. Gordyushenkov, A.N. Pikhtin, A. Aierken, T. Hakkarainen, M. Sopanen, H. Lipsanen
2010
Self-assembled InGaAs/GaAs quantum rings: Correlation of formation temperature and energy spectrum, 18th International Symposium Nanostructures: Physics and Technology, Saint Petersburg, Russia, 2126
Forward Bias Capacitance-Voltage Measurements on Semiconductors Using Co-Planar Ohmic and Schottky Contacts in a Cylindrical Geometry
V.T. Rangel-Kuoppa, M. Sopanen, H. Lipsanen
2010
JOURNAL OF NANO RESEARCH
Circuits based on graphene transistors
Markku Rouvala, Wonjae Kim, Pirjo Pasanen, Juha Riikonen, Kari Stadius, Jussi Ryynänen, Harri Lipsanen
2010
7th International Thin-Film Transistor Conference Clare College,Cambridge, March 3 - 4, 2010
Emission of Terahertz Radiation from GaN under Impact Ionization of Donors in an Electric Field
V.A. Shalygin, L.E. "Vorob'ev", D.A. Firsov, V.Yu. Panevin, A.N. Sofronov, G.A. Melentyev, A.V. Andrianov, A.O. "Zakhar'in", N.N. "Zinov'ev", Sami Suihkonen, Harri Lipsanen
2010
Bulletin of the Russian Academy of Sciences: Physics
Terahertz emission from GaN epilayers at lateral electric field
V.A. Shalygin, L.E. Vorobjev, D.A. Firsov, V.Yu. Panevin, A.N. Sofronov, G.A. Melentyev, A.V. Antonov, V.I. Gavrilenko, S. Suihkonen, P.T. Törma, M. Ali, H. Lipsanen
2010
35th International Conference on Infrared, Millimeter, and Terahertz Waves
Characterization of InGaN/GaN and AlGaN/GaN superlattices by X-ray diffraction and X-ray reflectivity measurements
Sakari Sintonen, Sami Suihkonen, Olli Svensk, Pekka Tuomas Törmä, Muhammad Ali, Markku Sopanen, Harri Lipsanen
2010
PHYSICA STATUS SOLIDI C: CURRENT TOPICS IN SOLID STATE PHYSICS
GaAs nanowire and crystallite growth on amorphous substrate from metalorganic precursors
Gintare Statkute, Albert G. Nasibulin, Markku Sopanen, Teppo Hakkarainen, Esko Kauppinen, Harri Lipsanen
2010
Japanese Journal of Applied Physics
Growth and characterization of InAsN/InAs multi quantum well for infrared device applications
Nagarajan Subramaniyam, Päivi Mattila, Abuduwayiti Aierken, Henri Jussila, Markku Sopanen, Harri Lipsanen
2010
Cost Action MP0805 Meeting, Istanbul, Turkey, 12-13 April, 2010
Substrate-patterning techniques for nitride growth
Sami Suihkonen, Muhammad Ali, Olli Svensk, Sakari Sintonen, Markku Sopanen, Harri Lipsanen, Pekka T. Törmä
2010
SPIE, Newsroom
Controlling gold nanoparticle densities on electrode surfaces by combination of self assembly and electron beam lithography
O. Toikkanen, N. Doan, M. Erdmanis, H. Lipsanen, B. Parviz, K. Kontturi
2010
61st Annual Meeting of the International Society of Electrochemistry, Nice, France, 26.9. - 1.10.2010
InGaN-based 405 nm near-ultraviolet light emitting diodes on pillar patterned sapphire substrates
Pekka Törmä, Muhammad Ali, Olli Svensk, Sami Suihkonen, Markku Sopanen, Harri Lipsanen, Mikael Mulot, Maxim A. Odnoblyudov, Vladislav E. Bougrov
2010
CrystEngComm
Recent progress towards acoustically mediated carrier injection into individual nanostructures for single photon generation
Stefan Völk, Florian J.R. Schülein, Florian Knall, Achim Wixforth, Hubert J. Krenner, Arne Laucht, Jonathan J. Finley, Juha Riikonen, Marco Mattila, Markku Sopanen, Harri Lipsanen, Jun He, Tuan A. Truong, Hyouchul Kim, Pierre M. Petroff
2010
Quantum Dots and Nanostructures: Synthesis, Characterization, and Modeling VII
Reduced photoluminescence from InGaN/GaN multiple quantum well structures following 40 Mev iodine ion irradiation
Muhammad Ali, Olli Svensk, Zhu Zhen, Sami Suihkonen, Pekka Törmä, Harri Lipsanen, Markku Sopanen, K. Hjort, J. Jensen
2009
Physica B: Condensed Matter
Atomic layer deposition of ytterbium oxide using ß-diketonate and ozone precursors
M. Bosund, K. Mizohata, T. Hakkarainen, Matti Putkonen, M. Söderlund, S. Honkanen, H. Lipsanen
2009
Applied Surface Science
Plasma aateloi ALD:n
Markus Bosund, Teppo Hakkarainen, Harri Lipsanen, Veli-Matti Airaksinen, Matti Putkonen
2009
Prosessori
MBE growth of MnP and GaMnAs nanowhiskers
G.E. Cirlin, Katsuaki Sato, S. Novikov, N. Lebedeva, H. Lipsanen
2009
Nanowire growth workshop, France (Paris), 2009
Self-catalyzed growth of GaAs whiskers on GaAs and Al substartes
G.E. Cirlin, G. Statkute, H. Lipsanen
2009
Nanowire growth workshop, France (Paris), 2009
Characterization of TlBr for X-ray and γ-ray detector applications
P. Kostamo, M. Shorohov, V. Gostilo, H. Sipilä, V. Kozlov, I. Lisitsky, M. Kuznetsov, A. Lankinen, A. N. Danilewsky, H. Lipsanen, M. Leskelä
2009
NUCLEAR INSTRUMENTS AND METHODS IN PHYSICS RESEARCH SECTION A: ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT
Improvements and problems of Bridgman-Stockbarger method for fabrication of TlBr single crystal detectors
V. Kozlov, H. Andersson, V. Gostilo, M. Kemell, P. Kostamo, M. S. Kouznetsov, M. Leskelä, H. Lipsanen, I. S. Lisitsky, M. Shorohov, H. Sipilä
2009
NUCLEAR INSTRUMENTS AND METHODS IN PHYSICS RESEARCH SECTION A: ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT
Synchrotron topography and X-ray diffraction study of GaInP layers grown on GaAs/Ge
A. Lankinen, L. Knuuttila, P. Kostamo, T.O. Tuomi, H. Lipsanen, P.J. McNally, L. "O'Reilly"
2009
Journal of Crystal Growth
Fabrication and optical properties of metal-coated non-close-packed colloidal crystals
Anna Mustonen, Harri Lipsanen
2009
Journal of Nonlinear Optical Physics and Materials
Radiation Imaging Detectors : Proceedings of the 10th International Workshop on Radiation Imaging Detectors
S. Nenonen, Diana Hannikainen, R. Orava, H. Lipsanen, I. Suni
2009
Mechanistic investigation of ZnO nanowire growth
Simas Rackauskas, Albert G. Nasibulin, Hua Jiang, Ying Tian, Gintare Statkute, Sergey D. Shandakov, Harri Lipsanen, Esko I. Kauppinen
2009
Applied Physics Letters
Temperature dependence of current-voltage characteristics of Pt/InN Schottky barrier diodes
Victor-Tapio Rangel-Kuoppa, Sami Suihkonen, Markku Sopanen, Harri Lipsanen
2009
Physics of Semiconductors
Tunneling explanation for the temperature dependence of current-voltage characteristics of Pt/InN Schottky barrier diodes
Victor-Tapio Rangel-Kuoppa, Sami Suihkonen, Markku Sopanen, Harri Lipsanen
2009
Japanese Journal of Applied Physics
Cascaded exciton emission of an individual strain-induced quantum dot
F.J.R. Schülein, A. Laucht, J. Riikonen, M. Mattila, M. Sopanen, H. Lipsanen, J.J. Finley, A. Wixforth, H.J. Krenner
2009
Applied Physics Letters
Impurity breakdown and terahertz luminescence in n-GaN epilayers under external electric field
V. A. Shalygin, L. E. Vorobjev, D. A. Firsov, V. Yu Panevin, A. N. Sofronov, G. A. Melentyev, A. V. Antonov, V. I. Gavrilenko, A. V. Andrianov, A. O. Zakharyin, S. Suihkonen, Pekka Törmä, M. Ali, H. Lipsanen
2009
Journal of Applied Physics
The epitaxial growth on metals
Gintare Statkute, Harri Lipsanen
2009
3rd International workshop on nanowire growth mechanisms, October 15-16, 2009 Paris (France)
An investigation of structural properties of GaN films grown on patterned sapphire substrates by MOVPE
Pekka T. Törmä, Muhammad Ali, Olli Svensk, Sakari Sintonen, Pasi Kostamo, Sami Suihkonen, Markku Sopanen, Harri Lipsanen, Maxim A. Odnoblyudov, Vladislav E. Bougrov
2009
Physica B: Condensed Matter
Self-assembled InAs island formation on GaAs (1 1 0) by metalorganic vapor phase epitaxy
Abuduwayiti Aierken, Teppo Hakkarainen, Markku Sopanen, Juha Riikonen, Jaakko Sormunen, Marco Mattila, Harri Lipsanen
2008
Applied Surface Science
Study of composition control and capping of MOVPE grown InGaN/InxAlyGa1-x-yN MQW structures
Muhammad Ali, Sami Suihkonen, Olli Svensk, Pekka Törmä, Markku Sopanen, Harri Lipsanen, Maxim A. Odnoblyudov, Vladislav Bougrov
2008
PHYSICA STATUS SOLIDI C: CURRENT TOPICS IN SOLID STATE PHYSICS
GROI-kiekkoja anturisovelluksiin
Sanna Arpiainen, Markku Kainlauri, Jouni Ahopelto, Wonjae Kim, Harri Lipsanen
2008
Prosessori
Passivation of GaAs surface by atomic-layer-deposited titanium nitride
Vesa Bosund, Abuduwayiti Aierken, Jouni Tiilikainen, Teppo Hakkarainen, Harri Lipsanen
2008
Applied Surface Science
Amorphous silicon optical waveguides and Bragg mirrors
A. Khanna, M. Mulot, S. Arpiainen, A. Säynätjoki, J. Ahopelto, S. Honkanen, H. Lipsanen
2008
Silicon Photonics and Photonic Integrated Circuits
Carrier dynamics in strain induced quantum dots modeled by rate equations and Gaussian excitation beam distribution
Hannu Koskenvaara, Marco Mattila, Markku Sopanen, Harri Lipsanen
2008
Japanese Journal of Applied Physics
GaAs Medipix2 hybrid pixel detector
Pasi Kostamo, Seppo Nenonen, Sami Vahanen, Lukas Tlustos, Christer Frojdh, Michael Campbell, Yuri Zhilyaev, Harri Lipsanen
2008
NUCLEAR INSTRUMENTS AND METHODS IN PHYSICS RESEARCH SECTION A: ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT
Synchrotron X-ray topography and electrical characterization of epitaxial GaAs p-i-n structures
Pasi Kostamo, Aapo Lankinen, Turkka O. Tuomi, Antti Saynatjoki, Harri Lipsanen, Yuri Zhilyaev, Leonid Fedorov, Tatiana Orlova
2008
NUCLEAR INSTRUMENTS AND METHODS IN PHYSICS RESEARCH SECTION A: ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT
X-ray excited optical luminescence of Mg-doped GaN
Aapo Lankinen, Olli Svensk, Marco Mattila, Turkka Tuomi, Harri Lipsanen, Patrick McNally, Lisa "O'reilly", Carsten Paulmann
2008
Journal of X-Ray Science and Technology
In-situ optical reflectance and synchrotron X-ray topography study of defects in epitaxial dilute GaAsN on GaAs
Outi Reentila, A. Lankinen, M. Mattila, A. Saynatjoki, T.O. Tuomi, H. Lipsanen, L. "O'Reilly", P.J. McNally
2008
Journal of Materials Science: Materials in Electronics
MOVPE growth and characterization of InAlGaN films and InGaN/InAlGaN MQW structures
Sami Suihkonen, Olli Svensk, Pekka Törmä, Muhammad Ali, Markku Sopanen, Harri Lipsanen, M.A. Odnoblyudo, Vladislav Bougrov
2008
Journal of Crystal Growth
Enhanced electroluminescence in 405 nm InGaN/GaN LEDs by optimized electron blocking layer
Olli Svensk, Pekka Törmä, Sami Suihkonen, Muhammad Ali, Harri Lipsanen, Markku Sopanen, Maxim Odnoblyudov, Vladislav Bougrov
2008
Journal of Crystal Growth
Efficient light coupling into a photonic crystal waveguide with flatband slow mode
Antti Säynätjoki, K. Vynck, M. Mulot, D. Cassagne, J. Ahopelto, H. Lipsanen
2008
PHOTONICS AND NANOSTRUCTURES: FUNDAMENTALS AND APPLICATIONS
Photonic crystals with ring-shaped holes on silicon-on-insulator
A. Säynätjoki, M. Mulot, K. Vynck, D. Cassagne, J. Ahopelto, H. Lipsanen
2008
Photonic crystal waveguides with ring-shaped holes on silicon-on-insulator
A. Säynätjoki, M. Mulot, K. Vynck, D. Cassagne, J. Ahopelto, H. Lipsanen
2008
SPIE Photonics Europe, Strasbourg, France 6-11 April 2008
Properties, applications and fabrication of photonic crystals with ring-shaped holes in silicon-on-insulator
A. Säynätjoki, M. Mulot, K. Vynck, D. Cassagne, J. Ahopelto, H. Lipsanen
2008
Photonics and Nanostructures - Fundamentals and Applications
Slow-light photonic crystal waveguides with ring-shaped holes on silicon-on-insulator
Antti Säynätjoki, Mikaël Mulot, Kevin Vynck, David Cassagne, Jouni Ahopelto, Harri Lipsanen
2008
Silicon Photonics and Photonic Integrated Circuits
Novel method for error limit determination in x-ray reflectivity analysis
Jouni Tiilikainen, Marco Mattila, Teppo Hakkarainen, Harri Lipsanen
2008
Journal of Physics D: Applied Physics
GaAs surface passivation by ultra-thin epitaxial GaP layer and surface As-P exhange
Abuduwayiti Aierken, Juha Riikonen, Marco Mattila, Teppo Hakkarainen, Markku Sopanen, Harri Lipsanen
2007
Applied Surface Science
Growth and surface passivation of near-surface InGaAs quantum wells on GaAs (110)
Abuduwayiti Aierken, Teppo Hakkarainen, Jouni Tiilikainen, Marco Mattila, Juha Riikonen, Markku Sopanen, Harri Lipsanen
2007
Journal of Crystal Growth
Noncovalent attachment of pyro-Pheophorbide a to a carbon nanotube
Jari S. Kavakka, Sami Heikkinen, Ilkka Kilpeläinen, Marco Mattila, Harri Lipsanen, Juho Helaja
2007
Chemical Communications
Reduction of threading dislocation density in A1_(0.12)Ga_(0.88)N epilayers by a multistep technique
Teemu Lang, Maxim Odnoblydov, Vladislav Bougrov, Sami Suihkonen, Olli Svensk, Pekka Törmä, Markku Sopanen, Harri Lipsanen
2007
Journal of Crystal Growth
Reduction of threading dislocation density in Al0.12Ga0.88N epilayers by a multistep technique
T. Lang, M. A. Odnoblyudov, V. E. Bougrov, S. Suihkonen, O. Svensk, P. T. Törmä, M. Sopanen, H. Lipsanen
2007
Journal of Crystal Growth
Catalyst-free fabrication of InP and InP(N) nanowires by metal organic vapor phase epitaxy
Marco Mattila, Teppo Hakkarainen, Harri Lipsanen
2007
Journal of Crystal Growth
Effect of substrate orientation on the catalyst-free growth of InP nanowires
Marco Mattila, Teppo Hakkarainen, Hua Jiang, Esko Kauppinen, Harri Lipsanen
2007
Nanotechnology
Enhanced luminescence from catalyst-free grown InP nanowires
Marco Mattila, Teppo Hakkarainen, Harri Lipsanen, Hua Jiang, Esko Kauppinen
2007
Applied Physics Letters
Self-catalyzed growth and properties of InP nanowires
M. Mattila, T. Hakkarainen, H. Lipsanen, H. Jiang, E. Kauppinen
2007
Nine-fold photoluminescence enhancement using photonic crystals with graphite lattice
M. Mulot, O. Sihvonen, F. Raineri, I. Sagnes, G. Vecchi, R. Raj, H. Lipsanen
2007
2007 IEEE International Conference on Indium Phosphide and Related Materials
Slow light propagation in photonic crystal waveguides with ring-shaped holes
Mikaël Mulot, Antti Säynätjoki, Sanna Arpiainen, Jouni Ahopelto, Harri Lipsanen
2007
Journal of Optics A: Pure and Applied Optics
Tensile-strained GaAsN quantum dots on InP
P. Pohjola, T. Hakkarainen, Hannu Koskenvaara, M. Sopanen, H. Lipsanen, J. Sainio
2007
Applied Physics Letters
Comparison of H2 and N2 as carrier gas in MOVPE growth of InGaAsN quantum wells
Outi Reentilä, Marco Mattila, Lauri Knuuttila, Teppo Hakkarainen, Markku Sopanen, Harri Lipsanen
2007
Journal of Crystal Growth
In-situ determination of InGaAs and GaAsN composition in multi-quantum-well structures
O. Reentilä, M. Mattila, Markku Sopanen, H. Lipsanen
2007
Journal of Applied Physics
Control of the morphology of InGaN/GaN quantum wells grown by metalorganic chemical vapor deposition
Sami Suihkonen, Teemu Lang, Olli Svensk, Jaakko Sormunen, Pekka Törmä, Markku Sopanen, Harri Lipsanen, Maxim Odnoblyudov, Vladislav Bougrov
2007
Journal of Crystal Growth
The effect of InGaN/GaN MQW hydrogen treatment and threading dislocation optimization on GaN LED efficiency
S. Suihkonen, O. Svensk, T. Lang, H. Lipsanen, M. A. Odnoblyudov, V. E. Bougrov
2007
Journal of Crystal Growth
Effect of growth conditions on electrical properties of Mg-doped p-GaN
Olli Svensk, Sami Suihkonen, Teemu Lang, Harri Lipsanen, Markku Sopanen, Maxim Odnoblyudov, Vladislav Bougrov
2007
Journal of Crystal Growth
Broadband low group velocity in photonic crystal waveguides
Antti Säynätjoki, Mikael Mulot, S. Arpiainen, J. Ahopelto, Harri Lipsanen
2007
1st European Topical meeting on Nanophotonics and Metamaterials, Seefeld, Itävalta, 8-11.1.2007
Dispersion engineering of photonic crystal waveguides with ring-shaped holes
Antti Säynätjoki, Mikaël Mulot, Jouni Ahopelto, Harri Lipsanen
2007
Optics Express
Accuracy in x-ray reflectivity analysis
Jouni Tiilikainen, Juha-Matti Tilli, Vesa Bosund, Marco Mattila, Teppo Hakkarainen, Jaakko Sormunen, Harri Lipsanen
2007
Journal of Physics D: Applied Physics
Fitness function and nonunique solutions in x-ray reflectivity curve fitting: crosserror between surface roughness and mass density
Jouni Tiilikainen, Vesa Bosund, Marco Mattila, Teppo Hakkarainen, Jaakko Sormunen, Harri Lipsanen
2007
Journal of Physics D: Applied Physics
Genetic algorithm using independent component analysis in x-ray reflectivity curve fitting of periodic layer structures
Jouni Tiilikainen, Vesa Bosund, Juha-Matti Tilli, Jaakko Sormunen, Marco Mattila, Teppo Hakkarainen, Harri Lipsanen
2007
Journal of Physics D: Applied Physics
Comparison of epitaxial thin layer GaN and InP passivations on InGaAs near-surface quantum wells
Abuduwayiti Aierken, Juha Riikonen, Jaakko Sormunen, Markku Sopanen, Harri Lipsanen
2006
Applied Physics Letters
Experimental investigation towards a periodically pumped single-photon source
C. Bödefeld, J. Ebbecke, Juha Toivonen, M. Sopanen, H. Lipsanen, A. Wixforth
2006
Physical Review B
Comparison of Ge and GaAs substrates for metalorganic vapor phase epitaxy of GaIn(N)As quantum wells
Lauri Knuuttila, Outi Reentila, Marco Mattila, Harri Lipsanen
2006
Japanese Journal of Applied Physics
Carrier dynamics in strain-induced InGaAsP/InP quantum dots
Hannu Koskenvaara, Juha Riikonen, Jaakko Sormunen, Markku Sopanen, Harri Lipsanen
2006
PHYSICA E: LOW: DIMENSIONAL SYSTEMS AND NANOSTRUCTURES
Ge/GaAs heterostructure matrix detector
P. Kostamo, Antti Säynätjoki, L. Knuuttila, H. Lipsanen, H. Andersson, K. Banzuzi
2006
NUCLEAR INSTRUMENTS AND METHODS IN PHYSICS RESEARCH SECTION A: ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT
Morphology optimization of MOCVD-grown GaN nucleation layers by the multistep technique
Teemu Lang, M. Odnoblyudov, V. Bougrov, Sami Suihkonen, Markku Sopanen, Harri Lipsanen
2006
Journal of Crystal Growth
Multistep method for threading dislocation density reduction in MOCVD grown GaN epilayers
Teemu Lang, M. Odnoblyudov, V. Bougrov, A.E. Romanov, Sami Suihkonen, Markku Sopanen, Harri Lipsanen
2006
PHYSICA STATUS SOLIDI A: APPLICATIONS AND MATERIALS SCIENCE
Reduction of threading dislocation density in AlGaN epilayers by a multistep technique
Teemu Lang, M. Odnoblyudov, V. Bougrov, Sami Suihkonen, Olli Svensk, Pekka Törmä, Harri Lipsanen
2006
Synchrotron x-ray topography study of defects in epitaxial GaAs on high-quality Ge
Aapo Lankinen, Lauri Knuuttila, Turkka Tuomi, Pasi Kostamo, Antti Säynätjoki, Juha Riikonen, Harri Lipsanen, P.J. McNally, X. Lu, H. Sipilä, S. Vaijärvi, D. Lumb
2006
NUCLEAR INSTRUMENTS AND METHODS IN PHYSICS RESEARCH SECTION A: ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT
Topography imaging of defects in GaAs on Ge
Aapo Lankinen, Turkka Tuomi, Lauri Knuuttila, Pasi Kostamo, Antti Säynätjoki, Harri Lipsanen, P.J. McNally, X. lu
2006
HASYLAB Annual report 2005, Part I
Catalyst-free growth of In(As)P nanowires on silicon
Marco Mattila, Teppo Hakkarainen, Harri Lipsanen, Hua Jiang, Esko Kauppinen
2006
Applied Physics Letters
Crystal-structure-dependent photoluminescence from InP nanowires
Marco Mattila, Teppo Hakkarainen, Mikael Mulot, Harri Lipsanen
2006
Nanotechnology
Metal contacts on InN
V.T. Rangel-Kuoppa, S. Suihkonen, M. Sopanen, H. Lipsanen
2006
Japanese Journal of Applied Physics
In-situ composition determination of MOVPE grown InGaAsN quantum wells
Outi Reentilä, Marco Mattila, Markku Sopanen, Harri Lipsanen
2006
In-situ determination of nitrogen content in InGaAsN quantum wells
Outi Reentilä, Marco Mattila, Lauri Knuuttila, Teppo Hakkarainen, Markku Sopanen, Harri Lipsanen
2006
Journal of Applied Physics
In-situ reflectance monitoring of InGaAsN quantum well growth with H_2 and N_2 as carrier gases
Outi Reentilä, Marco Mattila, Lauri Knuuttila, Teppo Hakkarainen, Markku Sopanen, Harri Lipsanen
2006
In situ reflectance monitoring of thick GaAsN layers
Outi Reentilä, Aapo Lankinen, Antti Säynätjoki, Marco Mattila, Turkka Tuomi, Harri Lipsanen, Lisa "O'Reilly", P.J. McNally
2006
The 6th International Conference on Materials for Microelectronics & Nanoengineering MFMN, 27-29.10.2006, Cranfield, UK
Nitrogen content of GaAsN quantum wells by in-situ monitoring during MOVPE growth
Outi Reentilä, Marco Mattila, Markku Sopanen, Harri Lipsanen
2006
Journal of Crystal Growth
Simultaneous determinationof indium and nitrogen contents of InGaAsN quantum wells by optical in-situ monitoring
outi Reentilä, Marco Mattila, Markku Sopanen, Harri Lipsanen
2006
Applied Physics Letters
Effect of surface states on carrier dynamics in InGaAsP/InP stressor quantum dots
Juha Riikonen, Jaakko Sormunen, Hannu Koskenvaara, Marco Mattila, Abuduwayiti Aierken, Teppo Hakkarainen, Markku Sopanen, Harri Lipsanen
2006
Nanotechnology
InAs pixel matrix detectors fabricated by diffusion of Zn in a metal-organic vapour-phase epitaxy reactor
A Saynatjoki, P Kostamo, J Sormunen, J Riikonen, A Lankinen, H Lipsanen, H Andersson, K Banzuzi, S Nenonen, H Sipilda, S Vaijarvi, D Lumb
2006
NUCLEAR INSTRUMENTS AND METHODS IN PHYSICS RESEARCH SECTION A: ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT
Hydrogen treatment of InGaN/GaN MQW structures
Sami Suihkonen, Olli Svensk, Teemu Lang, Pekka Törmä, Harri Lipsanen, M.A. Odnoblyudov, V.E. Bougrov
2006
The effect of InGaN/GaN MQW hydrogen treatment and threading dislocation optimisation on GaN LED performance
Sami Suihkonen, Olli Svensk, Teemu Lang, Harri Lipsanen, M.A. Odnoblyudov, V.E. Bougrov
2006
Magnesium doping of group-III nitrides for LED- and laser structures
Olli Svensk, Sami Suihkonen, Harri Lipsanen, M.A. Odnoblyudov, V.E. Bougrov
2006
Characterization of photonic crystal waveguides using Fabry-Pérot resonances
Antti Säynätjoki, Mikael Mulot, S. Arpiainen, J. Ahopelto, Harri Lipsanen
2006
Journal of Optics A: Pure and Applied Optics
Nonlinear fitness–space–structure adaptation and principal component analysis in genetic algorithms: an application to x-ray reflectivity analysis
Jouni Tiilikainen, J-M Tilli, Vesa Bosund, Marco Mattila, Teppo Hakkarainen, Veli-Matti Airaksinen, Harri Lipsanen
2006
Journal of Physics D: Applied Physics
Inductively coupled plasma etching of III-nitride based laser structure using CI2/BCI3/Ar gasses
Pekka Törmä, Olli Svensk, Sami Suihkonen, Harri Lipsanen, V.E. Odnoblyudov, V.E. Bougrov
2006
Low temperature growth GaAs on Ge
L. Knuuttila, A. Lankinen, J. Likonen, H. Lipsanen, X. Lu, P. McNally, J. Riikonen, T. Tuomi
2005
Japanese Journal of Applied Physics
Low Temterature GaAs on Ge substrate bu metalorganic vapor phase epitaxy
Lauri Knuuttila, Aapo Lankinen, Harri Lipsanen
2005
Ge/GaAs heterostructures matrix detector
Pasi Kostamo, Antti Säynätjoki, Lauri Knuuttila, Harri Lipsanen, H. Andersson, K. Banzuzi
2005
IWORID, Grenoble France, 4-7 July
Synchrotron x-ray topographic study of dislocations and stacking faults in InAs
Aapo Lankinen, Turkka Tuomi, Juha Riikonen, Lauri Knuuttila, Harri Lipsanen, Markku Sopanen, A. Danilewsky, J. McNally, L. "O'Reilly", Y. Zhilyaev, L. Fedorov, H. Sipilä, S. Vaijärvi, R. Simon, D. Lumb, A. Owens
2005
Journal of Crystal Growth
Modulation of GaAs(100) surface morphology by ultra-thin MOVPE grown InP layers
Marco Mattila, Markku Sopanen, Harri Lipsanen
2005
Modulation of GaAs(100) surface morphology by ultra-thin MOVPE grown InP layers
M. Mattila, M. Sopanen, H. Lipsanen
2005
Physics of Semiconductors, Parts A and B
Low air-fill-factor photonic crystals with ring-shaped holes in a triangular lattice
Mikael Mulot, Antti Säynätjoki, Sanna Arpiainen, Harri Lipsanen, Jouni Ahopelto
2005
Photonic crystal slabs with ring-shaped holes in a triangular lattice
Mikaël Mulot, Antti Säynätjoki, Sanna Arpiainen, Harri Lipsanen, Jouni Ahopelto
2005
Proceedings of 2005 7th International Conference on Transparent Optical Networks, ICTON 2005
Photonic Crystal Slabs with Ring-Shaped holes in a Triangular Lattice
Mikael Mulot, Antti Säynätjoki, Sanna Arpiainen, Harri Lipsanen, Jouni Ahopelto
2005
Highly Tunable Emission from Strain-Induced InGasp/InP Quantum Dots
Juha Riikonen, Jaakko Sormunen, Hannu Koskenvaara, Marco Mattila, Markku Sopanen, Harri Lipsanen
2005
Japanese Journal of Applied Physics
InGaAs/InP quantum dots induced by self-organized InAs stressors-islands
Juha Riikonen, Jaakko Sormunen, Marco Mattila, Markku Sopanen, Harri Lipsanen
2005
Japanese Journal of Applied Physics
Synchrotron x-ray topography study of defects in indium antimonide p-i-n structures grown by metal organic vapour phase epitaxy
Juha Riikonen, Turkka Tuomi, Aapo Lankinen, Jaakko Sormunen, Antti Säynätjoki, Lauri Knuuttila, Harri Lipsanen, P.J. McNally, A. Danilewsky, H. Sipilä, S. Vaijärvi, D. Lumb, A. Owens
2005
Journal of Materials Science: Materials in Electronics
Evolution of Self-Assembled InAs/InP Islands into Quantum Rings
Jaakko Sormunen, Juha Riikonen, Teppo Hakkarainen, Markku Sopanen, Harri Lipsanen
2005
Japanese Journal of Applied Physics
Modified self-assembly of InAs islands acting as stressors for strain-induced InGaAS(P)/InP
Jaakko Sormunen, Juha Riikonen, Marco Mattila, Markku Sopanen, Harri Lipsanen
2005
Nanotechnology
Transformation of Self-Assembled InAs/InP Quantum Dots into Quantum Rings without Capping
Jaakko Sormunen, Juha Riikonen, Marco Mattila, Jouni Tiilikainen, Markku Sopanen, Harri Lipsanen
2005
Nano Letters
Characterization of photonic crystal waveguides fabricated in silicon-on-insulator
Antti Säynätjoki, Mikael Mulot, Sanna Arpiainen, Jouni Ahopelto, Harri Lipsanen
2005
Characterization of photonic crystal waveguides using Fabry-Perot resonances
Antti Säynätjoki, Mikael Mulot, Sanna Arpiainen, Harri Lipsanen, Jouni Ahopelto
2005
High-index-contrast Optical Waveguides on Silicon
Antti Säynätjoki, Sanna Arpiainen, Jouni Ahopelto, Harri Lipsanen
2005
Physics of Semiconductors, Parts A and B
InAs pixel matrix detector structures fabricated by diffusion of Zn utilising metal-organic vapour phase epitaxy
Antti Säynätjoki, Pasi Kostamo, Jaakko Sormunen, Juha Riikonen, Aapo Lankinen, Harri Lipsanen, H. Andersson, K. Banzuzi, S. Nenonen, H. Sipilä, S. Vaijärvi
2005
Structural and optical properties of GaInNAs/GaAs quantum structures
Teppo Hakkarainen, Juha Toivonen, Hannu Koskenvaara, Markku Sopanen, Harri Lipsanen
2004
Journal of physics: Condensed matter
Self assembled In(Ga)As islands on Ge substrate
Lauri Knuuttila, T. Korkala, Markku Sopanen, Harri Lipsanen
2004
Journal of Crystal Growth
Growth parameter optimization for high nitrogen content Ga(In)NAs by MOVPE
Marco Mattila, Jaakko Sormunen, Markku Sopanen, Harri Lipsanen
2004
12th International Conference on Metal Organic Vapor Phase Epitaxy 30.5-4.6.2004
The morphology of an InP wettig layer on GaAs
Marco Mattila, Markku Sopanen, Harri Lipsanen
2004
Applied Surface Science
Ga(In)NAs growth parameter optimization with low-pressure and atmospheric-pressure MOVPE systems
Outi Reentilä, Marco Mattila, Juha Toivonen, Teppo Hakkarainen, Markku Sopanen, Harri Lipsanen
2004
2nd International Workshop on Metastable Combound Semiconductors and Heterostructures, 31.3-3.3.2004, Hawaii, USA
Valolla vauhtia viestintään
Outi Reentilä, Marco Mattila, Harri Lipsanen, Sanna Yliniemi, Seppo Honkanen
2004
Prosessori
Passivation of GaAS surface by ultrathin epitaxial GaN layer
Juha Riikonen, Jaakko Sormunen, Hannu Koskenvaara, Marco Mattila, Markku Sopanen, Harri Lipsanen
2004
Journal of Crystal Growth
Synchrotron x-ray topography study of defects in indium antimonide p-i-n structures grown by metal organic vapour phase epitaxy
J. Riikonen, T. Tuomi, A. Lankinen, J. Sormunen, A. Säynätjoki, L. Knuuttila, H. Lipsanen, P.J McNally, A. Danilewsky, H. Sipilä, S. Vaijärvi, D. Lumb, A. Owens
2004
Synchrotron X-ray Topography Study of Defects in Indium Antimonide P-I-N Structures Grown by Metal Organic Vapour Phase Epitaxy
Juha Riikonen, Turkka Tuomi, Aapo Lankinen, Jaakko Sormunen, Antti Säynätjoki, Lauri Knuuttila, Harri Lipsanen, P.J McNally, A. Danilewsky, H. Sipilä, S. Vaijärvi, D. Lumb, A. Owens
2004
Applications of thin GaN layers in GaAs heterostuctures grown using DMHy
Jaakko Sormunen, Juha Riikonen, Hannu Koskenvaara, Marco Mattila, Markku Sopanen, Harri Lipsanen
2004
IC-MOVPE XII, Hawaii, Usa, June 2004
GaN/GaAs(100) superlattices grown by metalorganic vapor phase epitaxy using dimethylhydrazine precursor
Jaakko Sormunen, Juha Riikonen, Markku Sopanen, Harri Lipsanen
2004
Journal of Crystal Growth
Morphology of ultra-thin cubic GaN layers on GaAs(100) grown by MOVPE with DMHy as nitrogen source
Jaakko Sormunen, Juha Toivonen, Markku Sopanen, Harri Lipsanen
2004
Applied Surface Science
High-index-contrast Optical Weveguides on Silicon
Antti Säynätjoki, Sanna Arpiainen, Jouni Ahopelto, Harri Lipsanen
2004
Synchrotron study of InSb, Ge, GaAs and InAs p-i-n detector materials and structures
Antti Säynätjoki, Turkka Tuomi, Harri Lipsanen, Aapo Lankinen, Pasi Kostamo, Juha Riikonen, Lauri Knuuttila, Jaakko Sormunen, A. Danilewski
2004
Annual report of ANKA, Angsrtoemquelle Karlsruhe, 2004
Optical properties of quantum dots induced by self-assembled stressors, in Optics of Quantum Dots and Wires
J. Tulkki, H. Lipsanen, M. Sopanen
2004
Optics of Quantum Dots and Wires
Wavelength extension of GaInAs/GaIn(N)As quantum dot structures grown on GaAs
Teppo Hakkarainen, Juha Toivonen, Markku Sopanen, Harri Lipsanen
2003
Journal of Crystal Growth
In(Ga)As quantum dots on Ge substrate
Lauri Knuuttila, Kalle Kainu, Markku Sopanen, Harri Lipsanen
2003
Journal of Materials Science: Materials in Electronics
Photoluminescence study of strain induced GaInNAs/GaAs quantum dots
Hannu Koskenvaara, Teppo Hakkarainen, Markku Sopanen, Harri Lipsanen
2003
Journal of Materials Science: Materials in Electronics
Growth of GaAs on polycrystalline silicon-on-insulator
Juha Riikonen, Antti Säynätjoki, Markku Sopanen, Harri Lipsanen, Jouni Ahopelto
2003
Journal of Materials Science: Materials in Electronics
Optical waveguides on polysilicon-on-insulator
Antti Säynätjoki, Juha Riikonen, Harri Lipsanen
2003
Optical waveguides on polysilicon-on-insulator
Antti Säynätjoki, Juha Riikonen, Harri Lipsanen, Jouni Ahopelto
2003
Journal of Materials Science: Materials in Electronics
Effect of post-growth laser treatment on optical properties of Ga(In)NAs quantum wells
Juha Toivonen, Teppo Hakkarainen, Markku Sopanen, Harri Lipsanen
2003
IEE Proceedings-Optoelectronics
Misfit dislocations in GaAsN/GaAs interface
Juha Toivonen, Turkka Tuomi, Juha Riikonen, Lauri Knuuttila, Teppo Hakkarainen, Markku Sopanen, Harri Lipsanen, P.J McNally, W. Chen, D. Lowney
2003
Journal of Materials Science: Materials in Electronics
Observation of defect complexes containing Ga vacancies in GaAsN
Juha Toivonen, Teppo Hakkarainen, Markku Sopanen, Harri Lipsanen, Juha Oila, K. Saarinen
2003
Applied Physics Letters
GaInNAs quantum well structures for 1.55 µm emission on GaAs by atmospheric pressure metalorganic vapor phase epitaxy
Teppo Hakkarainen, Juha Toivonen, Markku Sopanen, Harri Lipsanen
2002
Journal of Crystal Growth
Growth of self-assembled GaIn(N)As quantum dots by atmospheric pressure metal-organic vapor phase epitaxy
T. Hakkarainen, J. Toivonen, M. Sopanen, H. Lipsanen
2002
Wavelength extension of GaIn(N)As quantum dot structures grown on GaAs
T. Hakkarainen, J. Toivonen, M. Sopanen, H. Lipsanen
2002
In (Ga)As quantum dots on Ge substrate
L. Knuuttila, K. Kainu, M. Sopanen, H. Lipsanen
2002
Photoluminescence study of strain induced GaInNAs/GaAs quantum dots
H. Koskenvaara, T. Hakkarainen, H. Lipsanen, M. Sopanen
2002
Integration of GaAs-based light emitter with poly-SOI
J. Riikonen, A. Säynätjoki, A. Lankinen, H. Lipsanen, J. Ahopelto
2002
The 4th International Conference on Materials for Microelectronics and Nanoengineering ICMMN-4, Espoo, Finland, 10-12 June, 2002
Optical waveguides on polysilicon-on-insulator
A. Säynätjoki, J. Riikonen, O. Reentilä, H. Lipsanen, J. Ahopelto
2002
Effect of growth conditions on the defect transitions in Ga(In)NAs
J. Toivonen, T. Hakkarainen, M. Sopanen, H. Lipsanen
2002
Misfit dislocations in GaAsN-GaAs interface
J. Toivonen, T. Tuomi, J. Riikonen, L. Knuuttila, T. Hakkarainen, M. Sopanen, H. Lipsanen, P.J. McNally, W. Chen, D. Lowney
2002
The 4th International Conf. Materials for Microelectronics and Nanoengineering ICMMN-4, Espoo Finland, 10-12 June, 2002
Vacancy-type defects in GaAsN grown by metal-organic vapor phase epitaxy
J. Toivonen, J. Oila, K. Saarinen, T. Hakkarainen, M. Sopanen, H. Lipsanen
2002
Pumping of quantum dots with surface acoustic waves
C. Bödefeld, A. Wixfoth, Juha Toivonen, M. Sopanen, H. Lipsanen
2001
PHYSICA STATUS SOLIDI B: BASIC SOLID STATE PHYSICS
Growth and optical properties of GaInNAs quantum wells
T. Hakkarainen, J. Toivonen, M. Sopanen, H. Lipsanen
2001
Self-assembled GaIn(N)As quantum dots: Enhanced luminescence at 1.3 µm
Teppo Hakkarainen, Juha Toivonen, Markku Sopanen, Harri Lipsanen
2001
Applied Physics Letters
Nanoscale Structures of Luminescent Polymers in Thin Films
Matti Knaapila, M. Torkkeli, T. Mäkelä, L.E. Horsburgh, K. Lindfors, H. Koskenvaara, K. Jokela, H. Lipsanen, M. Ahlskog, M. Kaivola, R. Serimaa, A.P. Monkman, G. ten Brinke, Olli Ikkala
2001
The XXXV Annual Conference of the Finnish Physical Society, March 22.-24. 2001, Jyväskylä, Finland
Doping and carrier transport in Ga1−3xIn3xNxAs1−x alloys
Wei Li, M. Pessa, J. Toivonen, H. Lipsanen
2001
Physical Review B
Transient processes on strain-induced quantum dots in high magnetic field.
M. Lomascolo, A. Pomarico, R. Rinaldi, R. Cingolani, H. Lipsanen, M. Sopanen, J. Tulkki
2001
PROCEEDINGS OF THE 25TH INTERNATIONAL CONFERENCE ON THE PHYSICS OF SEMICONDUCTORS, PTS I AND II
Epitaxial growth of GaAs on silicon-on-insulator
J. Riikonen, L. Knuuttila, T. Tuomi, H. Lipsanen, P.J. McNally, J. Kanatharana, W. Chen, D. Lowney, A.N. Danilewsky
2001
Correlation effects in strain-induced quantum dots
R. Rinaldi, M. DeVittorio, R. Cingolani, U. Hohenester, E. Molinari, H. Lipsanen, J. Tulkki, J. Ahopelto, K. Uchida, N. Miura, Y. Arakawa
2001
PHYSICA STATUS SOLIDI B: BASIC SOLID STATE PHYSICS
Longitudinal Stark effect in parabolic quantum dots
Ross Rinaldi, Milena DeGiorgi, Massimo DeVittorio, Angelo Melcarne, Paolo Visconti, Roberto Cingolani, Harri Lipsanen, Markku Sopanen, T. Drufva, Jukka Tulkki
2001
Japanese Journal of Applied Physics
Growth and defects of GaAsN layers on GaAs
J. Toivonen, T. Tuomi, J. Riikonen, L. Knuuttila, R. Rantamäki, M. Sopanen, H. Lipsanen, P.J. McNally, J. Kanatharana, W. Chen, D. Lowney
2001
Effects of electron-hole correlation in quantum dots under high magnetic field (up to 45 T)
R. Cingolani, M. De Giorgi, R. Rinaldi, H. Lipsanen, M. Sopanen, R. Virkkala, K. Maijala, J. Tulkki, J. Ahopelto, K. Uchida, N. Miura, Y. Arakawa
2000
PHYSICA E: LOW: DIMENSIONAL SYSTEMS AND NANOSTRUCTURES
Influence of Coulomb and Exchange Interaction on Quantum Dot Magnetoluminescence up to B = 45 T
R. Cingolani, R. Rinaldi, H. Lipsanen, M. Sopanen, R. Virkkala, K. Maijala, J. Tulkki, K. Uchida, N. Miura, Y. Arakawa, Jouni Ahopelto
2000
PHYSICA STATUS SOLIDI A: APPLICATIONS AND MATERIALS SCIENCE
Optoelectronics Laboratory Activity Report 1996-1999
H. Collan, H. Lipsanen, R. Rantamäki, T. Tuomi
2000
Carrier capture processes in strain-induced InxGa1−xAs/GaAs quantum dot structures
C. Lingk, W. Helfer, G. von Plessen, J. Feldmann, K. Stock, W.M. Feise, D.S. Citrin, H. Lipsanen, M. Sopanen, R. Virkkala, J. Tulkki, J. Ahopelto
2000
Physical Review B
Effects of a few-particle interaction on the atomiclike levels of a single strain-induced quantum dot
R. Rinaldi, S. Antonaci, M. De Vittorio, R. Cingolani, U. Hohenester, E. Molinari, H. Lipsanen, J. Tulkki
2000
Physical Review B
High nitrogen composition GaAsN by atmospheric pressure metalorganic vapor-phase epitaxy
J. Toivonen, T. Hakkarainen, M. Sopanen, H. Lipsanen
2000
Journal of Crystal Growth
High-nitrogen-composition GaNAs by atmospheric pressure metalorganic vapor phase epitaxy
J. Toivonen, T. Hakkarainen, M. Sopanen, H. Lipsanen
2000
The Tenth International Conference on Metalorganic Vapor Phase Epitaxy, Sapporo, Japan, June 5-9, 2000
High-nitrogen-composition GaNAs by metalorganic vapor phase epitaxy
Juha Toivonen, T. Hakkarainen, M. Sopanen, H. Lipsanen
2000
Tailoring of energy levels in strain-induced quantum dots
Jouni Ahopelto, Markku Sopanen, Harri Lipsanen
1999
Japanese Journal of Applied Physics
Electron-hole correlation in quantum dots under a high magnetic field (up to 45T)
R. Cingolani, R. Rinaldi, H. Lipsanen, M. Sopanen, R. Virkkala, K. Maijala, Jukka Tulkki, J. Ahopelto, K. Uchida, N. Miura, Y. Arakawa
1999
Physical Review Letters
Experimental determination of intra-lever relaxation time in quantum dots with different energy level spacing
H. Koskenvaara, M. Sopanen, J. Tulkki, H. Lipsanen, M. Braskén, M. Lindberg
1999
The 41st Electronic Materials Conference, Santa Barbara, Calirofnia, June 30-July 2, 1999
Carrier relaxation in self-organized quantum dots: the effect of doping
H. Lipsanen, H. Koskenvaara, J. Toivonen, M. Sopanen, J. Ahopelto
1999
ADVANCED LUMINESCENT MATERIALS AND QUANTUM CONFINEMENT
Effect of InP passivation on carrier recombination in InGaAs/GaAs surface quantum wells
H. Lipsanen, M. Sopanen, J. Ahopelto, J. Sandman, J. Feldmann
1999
Japanese Journal of Applied Physics
Growth and optical properties of strain-induced quantum dots
H. Lipsanen, M. Sopanen, J. Tulkki, J. Ahopelto, M. Braskén, M. Lindberg
1999
Physica Scripta
Mechanical nanomanipulation of single strain-induced semiconductor quantum dots
C. Obermuller, A. Deisenrieder, G. Abstreiter, K. Karrai, S. Grosse, S. Manus, J. Feldmann, H. Lipsanen, M. Sopanen, J. Ahopelto
1999
Applied Physics Letters
Pauli-blocking imaging of single strain-induced semiconductor quantum dots
C. Obermuller, A. Deisenrieder, G. Abstreiter, K. Karrai, S. Grosse, S. Manus, J. Feldmann, H. Lipsanen, M. Sopanen, J. Ahopelto
1999
Applied Physics Letters
Pauli-blocking imaging of single strain-induced semiconductor quantum dots
C. Obermuller, A. Deisenrieder, G. Abstreiter, S. Grosse, J. Feldman, K. Karrai, H. Lipsanen, M. Sopanen, J. Ahopelto
1999
Materials Research Society 1999 Spring Meeting, San Fransisco, California, USA, April 4-9, 1999
Effects of electron-hole correlation in quantum dots under high magnetic field (up to 45T)
R. Rinaldi, R. Cingolani, H. Lipsanen, M. Sopanen, R. Virkkala, K. Maijala, J. Tulkki, M. Braskén, J. Ahopelto, K. Uchida, N. Miura, Y. Arakawa
1999
The 9th International Conference on Modulated Semiconductor Structures (MSS9), July 12-16, 1999, Fukuoka, Japan
The role of stressor size fluctuation in photoluminescence of strain-induced quantum dots
J. Ahopelto, M. Sopanen, H. Lipsanen, Jukka Tulkki
1998
COMPOUND SEMICONDUCTORS 1998
Tuning of energy levels in strain-induced quantum dots
J. Ahopelto, M. Sopanen, H. Lipsanen
1998
10th International Conference on Indium Phosphide and Related Materials IPRM'98, Tsukuba, Japan, May 11-15, 1998
Temperature dependence of carrier relaxation in strain-induced quantum dots
M. Brasken, M. Lindberg, M. Sopanen, H. Lipsanen, J. Tulkki
1998
Physical Review B
Effect of InP passivation on carrier recombination in In_(x)Ga_(1-x)As/GaAs surface quantum wells
H. Lipsanen, M. Sopanen, J. Ahopelto, J. Sandmann, J. Feldmann
1998
10th International Conference on Indium Phosphide and Related Materials
Photoluminescence study of passivated surface quantum wells
H. Lipsanen, M. Sopanen, J. Ahopelto, J. Sandmann, J. Feldmann
1998
11th International Conference on Superlattices and Microstructures ICSMM-11, Hurghada, Egypt, July 27-August 1, 1998
High magnetic field effects on the optical properties of InGaAs parabolic quantum dots
R. Rinaldi, R. Cingolani, H. Lipsanen, M. Sopanen, J. Tulkki, M. Brasken, J. Ahopelto, K. Uchida, N. Miura, Y. Arakawa
1998
24th International Conference on the Physics of Semiconductors ICPS 24, Jerusalem, Israel, August 2-7, 1998
Magneto-optical properties of strain-induced InxGa1−xAs parabolic quantum dots
R. Rinaldi, R. Mangino, R. Cingolani, H. Lipsanen, Markku Sopanen, J. Tulkki, M. Brasken, J. Ahopelto
1998
Physical Review B
Hydride vapour phase epitaxy for nanostructures
Egbert Rodríguez-Messmer, S. Lourdudoss, J. Ahopelto, H. Lipsanen, J.-O. Wesström, K. Hieke, J.P. Reithmaier, K. Kerkel, A. Forchel, W. Seifert, N. Calrsson, L. Samuelson
1998
JOURNAL OF MATERIALS SCIENCE AND ENGINEERING B
Strain-induced quantum dot superlattice
M. Sopanen, H. Lipsanen, J. Tulkki, J. Ahopelto
1998
PHYSICA E: LOW: DIMENSIONAL SYSTEMS AND NANOSTRUCTURES
Terahertz(THz)-Near Infrated(NIR) Upconversion in strain-induced quantum dots
G. Yusa, S.J. Allen, H. Sakaki, J. Kono, H. Lipsanen, M. Sopanen, J. Tulkki
1998
24th International Conference on the Physics of Semiconductors ICPS 24, Jerusalem, Israel, August 2-7, 1998
THz-Near Infrared upconversion in strain-induced quantum dots
G. Yusa, S. Allen, H. Sakaki, J. Kono, J. Ahopelto, H. Lipsanen, M. Sopanen, J. Tulkki
1998
20th International FEL98 Conference & 5th Users Workshop, Williamsburg, USA, August 16-21,1998
Maskless selective growth of InGaAs/InP quantum wires on (100) GaAs
J. Ahopelto, M. Sopanen, H. Lipsanen, S. Lourdudoss, E. Rodriguez, E. Höfling, J.P. Reithmaier, A. Forchel, A. Petersson, L. Samuelson
1997
Applied Physics Letters
Maskless selective growth of InGaAs/InP quantum wires on (100) GaAs
J. Ahopelto, M. Sopanen, H. Lipsanen, S. Lourdudoss, Egbert Rodríguez-Messmer, Höfling Messmer, J.P. Reithmaier, A. Forchel, A. Petersson, L. Samuelson
1997
Second International Conference on Low Dimensional Structures & Devices, Lisbon, Portugal, May 19-21, 1997
Strain-induced quantum dots: fabrication and optical properties
J. Ahopelto, M. Sopanen, H. Lipsanen, M. Taskinen, J. Tulkki, J.H.H. Sandmann, S. Grosse, G. von Plessen, J. Feldmann, G. Hayes, R. Phillips, R. Rinaldi, P.V. Giugno, R. Cingolani
1997
10th International Conference on Superlattices, Microstructures and Microdevices, Lincoln, Nebraska, USA, July 8-11, 1997
Strain-Induced Quantum Dots: Fabrication and Optical Properties
J. Ahopelto, M. Sopanen, H. Lipsanen, M. Taskinen, J. Tulkki, J.H. Sandmann, S. Grosse, G. Won Plessen, J. Feldmann, G. Hayes, R. Philips, R. Rinaldi, P.V. Giugno, R. Cingolani
1997
PHYSICS OF LOW-DIMENSIONAL STRUCTURES
Carrier relaxation dynamics in quantum dots: scattering mechanisms and state-filling effects
S. Grosse, J. Sandman, G. von Plessen, J. Feldman, H. Lipsanen, M. Sopanen, J. Tulkki, J. Ahopelto
1997
Physical Review B
Optical characterisation of self organised InGaAs/InP heterodots
C. Guasch, J. Ahopelto, H. Lipsanen, M. Sopanen, C.M. Sotomayor Torres, I. Gontijo, G.S. Buller
1997
Institute of Physics Conference Series
Photoluminescence decay and upconversion of stressor-induced GaInP quantum dots
R. Jaaniso, H. Lipsanen, I. Reimand, M. Sopanen
1997
Synchrotron X-ray topographic study of strain in silicon wafers with integrated circuits
M. Karilahti, T. Tuomi, M. Taskinen, J. Tulkki, H. Lipsanen, P. McNally
1997
Il Nuovo Cimento
Self-organized growth of InAs islands on (100) Si by metalorganic vapor phase epitaxy
H. Lipsanen, M. Sopanen, J. Ahopelto
1997
Second International Conference on Low Dimensional Structures & Devices, Lisbon, Portugal, May 19-21, 1997
Carrier relaxation in strain-induced (GaIn)As quantum dots
J.H. Sandman, S. Grosse, G. von Plessen, J. Feldman, G. Hayes, R. Phillips, H. Lipsanen, M. Sopanen, J. Ahopelto
1997
PHYSICA STATUS SOLIDI A: APPLICATIONS AND MATERIALS SCIENCE
Ultrafast relaxation dynamics in strain-induced quantum dots
J.H. Sandman, S. Grosse, G. von Plessen, J. Feldmann, G. Hayes, R. Phillips, H. Lipsanen, M. Sopanen, J. Ahopelto
1997
PHYSICA STATUS SOLIDI B: BASIC SOLID STATE PHYSICS
Ultrafast relaxation dynamics in strain-induced quantum dots
J.H.H. Sandmann, S. Grosse, G. von Plessen, J. Feldman, G. Hayes, R. Phillips, H. Lipsanen, M. Sopanen, J. Ahopelto
1997
Strain-induced quantum dot superlattice
M. Sopanen, H. Lipsanen, J. Tulkki, J. Ahopelto
1997
Proceedings of the 18th Annual Conference on Modulated Semiconductor Structures
Self-organized InAs islands on (100) InP by metalorganic vapor-phase epitaxy
M. Taskinen, M. Sopanen, H. Lipsanen, J. Tulkki, T. Tuomi, J. Ahopelto
1997
Surface Science
Relaxation and Recombination Dynamics of Optically Generated Carriers in Strain-Induced InGaAs/GaAs Quantum Dots
S. Grosse, J. Sandmann, G. von Plessen, J. Feldmann, H. Lipsanen, M. Sopanen, J. Tulkki, J. Ahopelto
1996
Untersuchung der Relaxationsdynamik optisch generierter Ladungsträger in verspannungsinduzierten InGaAs Quantenpunkten
S. Grosse, J. Sandmann, J. Feldmann, H. Lipsanen, M. Sopanen, J. Tulkki, J. Ahopelto
1996
Die 60. Physikertagung der Deutsche Physikalische Gesellschaft, Jena, 18-23 März 1996
Optical characterisation of self organised InGaAs/InP heterodots
C. Guasch, J. Ahopelto, Harri Lipsanen, M. Sopanen, Y. Tang, C. Sotomayor Torres
1996
Proceedings of 23rd International Symposium on Compound Semiconductors (IOP Publishing Limited, UK) St Petersburg, Russia, 23-27 September 1996
Optical characterization of self-organized InGaAs/GaAs heterodots
C. Guasch, J. Ahopelto, H. Lipsanen, M. Sopanen, Y. Tang, C. Sotomayor Torres
1996
1996 ECAMI Workshop on Nanostructures and Mesoscopic Systems, Ottawa, Institute of Microstructural Sciences, National Research Council of Canada, 12-14 June 1996
Synchrotron X-ray topographic study of strain in silicon wafers with integrated circuits
M. Karilahti, T. Tuomi, M. Taskinen, J. Tulkki, H. Lipsanen, P. McNally
1996
Metalorganic vapor phase epitaxial growth of A1GaSb and A1GaAsSb using all-organometallic sources
T. Koljonen, M. Sopanen, H. Lipsanen, T. Tuomi
1996
Journal of Crystal Growth
Enhanced luminescence of near-surface quantum wells passivated in situ by InP
H. Lipsanen, M. Sopanen, M. Taskinen, J. Tulkki, J. Ahopelto
1996
Enhanced luminescence of near-surface quantum wells passivated in situ by InP
H. Lipsanen, M. Sopanen, M. Taskinen, J. Tulkki, J. Ahopelto
1996
Eighth International Conference on Indium Phosphide and Related Materials, 1996
Enhanced optical properties of in situ passivated near-surface AlxGa1-xAs/GaAs quantum wells
H. Lipsanen, M. Sopanen, M. Taskinen, J. Tulkki, J. Ahopelto
1996
Applied Physics Letters
Fabrication and photoluminescence of quantum dots induced by strain of self-organized stressors
H. Lipsanen, M. Sopanen, J. Ahopelto
1996
Solid-State Electronics
In Situ Passivation of Near-Surface A1xGa1-xAs/GaAs Quantum Wells
H. Lipsanen, M. Sopanen, M. Taskinen, J. Tulkki, J. Ahopelto
1996
Synchrotron X-ray topographic analysis of the impact of processing steps on the fabrication of AlGaAs/InGaAs p-HEMTs
P. McNally, T. Tuomi, P. Herbert, A. Baric, P. Äyräs, M. Karilahti, H. Lipsanen, M. Tromby
1996
IEEE Transactions on Electron Devices
Mesoscopic Zeeman effect in parabolic quantum dots
R. Rinaldi, P. Giugno, R. Cingolani, H. Lipsanen, M. Sopanen, J. Tulkki, J. Ahopelto
1996
Zeeman effect in parabolic quantum dots
R. Rinaldi, P. Guigno, R. Cingolani, Harri Lipsanen, M. Sopanen, J. Tulkki, J. Ahopelto
1996
Physical Review Letters
Carrier Relaxation and Recombination Dynamics in InGaAs/GaAs Quantum Dots
J. Sandmann, S. Grosse, J. Feldmann, H. Lipsanen, M. Sopanen, J. Tulkki, J. Ahopelto
1996
1996 Ultrafast Phenomena, San Diego, California, 28 May - 1 June 1996
Fabrication of InGaAs quantum disks using self-organized InP islands as a mask in wet chemical etching
M. Sopanen, H. Lipsanen, J. Ahopelto
1996
Applied Physics Letters
Red luminescence from strain-induced GaInP quantum dots
M. Sopanen, M. Taskinen, H. Lipsanen, J. Ahopelto
1996
Applied Physics Letters
Visible Luminescence from Quantum Dots Induced by Self-Organized Stressors
M. Sopanen, M. Taskinen, H. Lipsanen, J. Ahopelto
1996
Mesoscopic and Atomic Zeeman Effects in Quantum Well Dots Induced by Coherent InP Islands
J. Tulkki, H. Lipsanen, M. Sopanen, M. Brasken, M. Lindberg, J. Ahopelto, R. Rinaldi, P. Giugno, R. Cingolani
1996
The Physics on Semiconductors. Proceedings of 23rd International Conference on the Physics of Semiconductors, 1996, Berlin
Optical properties of self-organized InGaAs/InP dots
J. Ahopelto, H. Lipsanen, M. Sopanen
1995
Seventh International Conference on Indium Phosphide and Related Materials, 1995
Fabrication and photoluminescence of quantum dots induced by strain of self-organized stressors.
H. Lipsanen, M. Sopanen
1995
Fabrication and properties of strained-layer quantum-well lasers for operation at the wavelength of 1.02 my m.
H. Lipsanen, T. Salo, T. Tuomi
1995
Fabrication, characterization and modelling of stain-induced quantum dots.
H. Lipsanen, M. Sopanen, J. Ahopelto, A. Heinämäki, J. Tulkki, T. Tuomi
1995
InGaAs quantum dots induced by self-organized InP stressors.
H. Lipsanen, J. Ahopelto, M. Sopanen
1995
Luminescence from excited states in strain-induced In_(x)Ga_(1-x)As quantum dots
H. Lipsanen, M. Sopanen, J. Ahopelto
1995
Physical Review B
Optical properties of self-organized InGaAs/InP dots.
H. Lipsanen, J. Ahopelto, M. Sopanen
1995
Optical Spectroscopy of Bragg Confined Transitions in a Superlattice with Multiquantum Barriers
H. Lipsanen, K. Taskinen, V.M. Airaksinen
1995
Solid State Communications
Recombination processes in strain-induced InGaAs quantum dots.
H. Lipsanen, J. Sandman, S. Grosse, J. Feldmann, E.O. Gobel, M. Sopanen, J. Ahopelto
1995
Recombination processes in strain-induced InGaAs quantum dots
J. Sandmann, S. Grosse, J. Feldmann, H. Lipsanen, M. Sopanen, J. Tulkki, J. Ahopelto
1995
NUOVO CIMENTO DELLA SOCIETA ITALIANA DI FISICA D: CONDENSED MATTER, ATOMIC, MOLECULAR AND CHEMICAL PHYSICS, BIOPHYSICS
Growth of high-quality GaSb by metalorganic vapor phase epitaxy.
M. Sopanen, T. Koljonen, H. Lipsanen, T. Tuomi
1995
Journal of Electronic Materials
Self-organized growth of InP islands on GaAs for the fabrication of strain-induced quantum dots.
M. Sopanen, H. Lipsanen, J. Ahopelto
1995
Self-organized InP islands on (100) GaAs by metalorganic vapor phase epitaxy.
M. Sopanen, H. Lipsanen, J. Ahopelto
1995
Applied Physics Letters
Strain-induced quantum dots by self-organized stressors
M. Sopanen, H. Lipsanen, J. Ahopelto
1995
Applied Physics Letters
Modeling, fabrication and characterization of 1.43 my m InGaAsP/InP separate confinement heterostructure multiple quantum-well lasers.
M. Taskinen, A. Heinämäki, Harri Lipsanen, J. Tulkki, T. Tuomi
1995
Optical engineering
Modelling, fabrication and xharacterisation of 1.43 my m InGaAsp/InP quantum-well lasers.
M. Taskinen, A. Heinämäki, H. Lipsanen, J. Tulkki, T. Tuomi
1995
Synchrotron X-ray topographic studies of strain in silicon wafers with integrated circuits.
T. Tuomi, M. Karilahti, P. Äyräs, H. Lipsanen, P. McNally
1995
Fabrication of Nanostructures using MBE and MOVPE
J. Ahopelto, H. Lipsanen, M. Sopanen, Timo Koljonen, T. Tuomi, V.M. Airaksinen, Juha Sinkkonen, E. Siren
1994
Physica Scripta
Selective growth of InGaAs on nanoscale InP islands
J. Ahopelto, H. Lipsanen, M. Sopanen, T. Koljonen, H. Niemi
1994
Applied Physics Letters
Self-organising growth of nanoscale heterostructures: Selective growth of InGaAs on InP dots
J. Ahopelto, H. Lipsanen, M. Sopanen, H.E.-M. Niemi
1994
Phantoms Meeting Phasdom, Dublin, Ireland, October 3-6, 1994
Self-organizing growth of InGaAs on nanoscale InP islands
J. Ahopelto, H. Lipsanen, M. Sopanen, T. Koljonen
1994
Sixth International Conference on Indium Phosphide and Related Materials, Santa Barbara, USA, March 28-31, 1994
Growth of AlxGa1-xSb and AlxGa1-xAsySb1-y epilayers on GaSb substrates using all-organometallic sources
T. Koljonen, M. Sopanen, H. Lipsanen, T. Tuomi
1994
Growth and Characterization of a GaAs/AlAs Superlattice with Variable Layer Thicknesses
H.K. Lipsanen, V.M. Airaksinen
1994
Journal of Electronic Materials
Interference effects in photoreflectance of epitaxial layers grown on semi-insulating substrates
H.K. Lipsanen, V.M. Airaksinen
1994
Photoluminescence of buried InGaAs grown on nanoscale InP islands by MOVPE
H. Lipsanen, J. Ahopelto, T. Koljonen, M. Sopanen
1994
Journal of Crystal Growth
Photoreflectance and X-ray Diffraction Study of Semiconductor Heterostructures and Quantum Wells
H. Lipsanen
1994
X-ray diffraction study of GaSb on GaAs grown by MOVPE
H. Lipsanen, T. Koljonen, M. Sopanen, T. Tuomi
1994
Growth of GaInAsSb using tertiarybutylarsine as arsenic source
M. Sopanen, T. Koljonen, H. Lipsanen, T. Tuomi
1994
Journal of Crystal Growth
Growth of InGaSb and GaSb on GaSb substrates by atmospheric pressure MOVPE
M. Sopanen, T. Koljonen, H. Lipsanen, K. Hjelt
1994
Metallo organic vapour phase epitaxy of III-V semiconductors
M. Sopanen, T. Koljonen, H. Lipsanen, M. Taskinen, T. Tuomi
1994
MOVPE growth of GaAs, AlGaAs, InP, InGaAs and InGaAsP using all-organometallic sources
M. Sopanen, H. Lipsanen, T. Koljonen, J. Ahopelto, M. Taskinen
1994
MOVPE growth of GaInAsSb using tertiarybutylarsine as arsenic source
M. Sopanen, T. Koljonen, H. Lipsanen
1994
Optical and electronic properties of praseodymium dioxide doped In_(1-x)Ga_(x)As_(y)P_(1-y) layers grown with liquid phase epitaxy
K. Hjelt, M. Sopanen, H. Lipsanen, T. Tuomi, S. Hasenöhrl
1993
The XXVII Annual Conference of the Finnish Physical Society, Turku, March 18-20, 1993
Praseodymium dioxide doping of InGaAsP epilayer grown with liquid phase epitaxy
K. Hjelt, M. Sopanen, H. Lipsanen, T. Tuomi
1993
Praseodymium dioxide doping of In1-xGaxAsyP1-y epilayer grown with liquid phase epitaxy
Kari T. Hjelt, Markku A. Sopanen, Harri K. Lipsanen, Turkka O. Tuomi, Stanisla Hasenohrl
1993
RARE EARTH DOPED SEMICONDUCTORS
The effect of praseodymium doping on the optical properties of LPE-grown InGaAsP layer
K. Hjelt, M. Sopanen, H. Lipsanen, T. Tuomi, S. Hasenöhrl
1993
Liquid phase epitaxial growth of GaSb layers from Ga- and Sn-rich melts
T. Koljonen, M. Sopanen, K. Hjelt, H. Lipsanen, T. Tuomi
1993
The XXVII Annual Conference of the Finnish Physical Society, March 18-20, 1993
Accurate determination of the layer thicknesses of a GaAs/AlAs superlattice
H.K. Lipsanen, M. Tuominen, V.M. Airaksinen
1993
Interference Effects in Photoreflectance of Epitaxial Layers Grown on Semi-insulating Substrates
H.K. Lipsanen, V.M. Airaksinen
1993
Applied Physics Letters
Metallo-organic vapor phase system
H. Lipsanen, K. Hjelt, T. Koljonen, M. Sopanen, T. Tuomi
1993
Photoreflectance of Bragg confined transitions in a superlattice with multiquantum barries
H.K. Lipsanen, V.M. Airaksinen, K. Taskinen
1993
Study of direct to indirect transition in GaAs/AlAs superlattices
H.K. Lipsanen, V.M. Airaksinen, T. Tuomi
1993
XXVII Annual Conference of the Finnish Physical Society, Turku, March 18-20, 1993
Photoluminescence of GaSb wafers and LPE grown layers
M. Sopanen, K. Hjelt, T. Koljonen, H. Lipsanen, M. Koponen, T. Tuomi
1993
The XXVII Annual Conference of the Finnish Physical Society, Turku, March 18-20,1993
Optical detection of electric fields in GaAs structures
V.M. Airaksinen, H.K. Lipsanen
1992
The 15th Nordic Semiconductor Meeting, Helsinki, Finland, 1992
Photoreflectance study of photovoltage effects in GaAs diode structures
V-M. Airaksinen, H.K. Lipsanen
1992
Applied Physics Letters
Photoreflectance study of photovoltage effects in GaAs diode structures
V.M. Airaksinen, H.K. Lipsanen
1992
Photoluminescence spectra of InGaAsP doped with praseodymium dioxide PrO2
S. Hasenöhrl, K. Hjelt, H. Lipsanen, M. Sopanen, T. Tuomi
1992
Accurate determination of the layer thicknesses of a GaAs/AlAs superlattice
H.K. Lipsanen, V-M. Airaksinen, T. Tuomi
1992
1st European Symposium on X-ray Topography and High Resolution Diffraction, Marseille, France, July 9-10, 1992
High Speed InGaAsP/InP multiple quantum well laser
H.K. Lipsanen, D.L. Coblenz, R.A. Logan, R.D. Yadvish, P.A. Morton, H. Temkin
1992
High-Speed InGaAsP/InP Multiple-Quantum-Well Laser
H. Lipsanen, D.L. Coblentz, R.A. Logan, R.D. Yadvish, P.A. Morton, H. Temkin
1992
IEEE Photonics Technology Letters
Liquid phase epitaxial (LPE) technique
H. Lipsanen, M. Sopanen, K. Hjelt, T. Koljonen, E. Prieur, M. Tuominen, E. Yli-Juuti, H. Kokkinen, T. Tuomi
1992
X-ray diffraction analysis of superlattices grown on misoriented substrates
P. Ravila, V. M. Airaksinen, H. Lipsanen, T. Tuomi, P. A. Claxton
1991
Journal of Crystal Growth
Photoreflectance studies InGaAs/InP superlattices
V. M. Airaksinen, H. K. Lipsanen, P. Ravila, T. Tuomi, P. A. Claxton
1990
Modulation Spectroscopy
Study of GaAs/AlGaAs and InGaAs/InP quantum well structures using low field transverse electroreflectance
H. K. Lipsanen, V. M. Airaksinen, T. Tuomi, P. A. Claxton
1990
Modulation Spectroscopy
OBSERVATION OF IMPURITY STATES IN HIGH-RESISTIVITY GALLIUM-ARSENIDE BY THE PHOTOREFLECTION METHOD
A. N. Pikhtin, V. M. Airaksinen, H. Lipsanen, T. Tuomi
1989
Soviet Physics - Semiconductors
Room-temperature observation of impurity states in bulk GaAs by photoreflectance
A. N. Pikhtin, V. M. Airaksinen, H. Lipsanen, T. Tuomi
1989
Journal of Applied Physics
Photoreflectance spectra of a GaAs/GaAs and of an InGaAs/InP multiple quantum well structures grown with molecular beam epitaxy
T. Tuomi, V. M. Airaksinen, H. Lipsanen
1989
Acta Polytechnica Scandinavica, Electrical Engineering Series
Synchrotron section topographic study of defects in InP substrates and quaternary laser structures
T. Tuomi, H. Lipsanen, T. Ranta-aho, J. Partanen, J. A. Lahtinen, E. Monberg, R. A. Logan
1989
Journal of Crystal Growth