Girish Tewari
Staff Scientist
Staff Scientist
T105 Chemistry and Materials
Full researcher profile
https://research.aalto.fi/...
Sähköposti
girish.tewari@aalto.fi
Puhelinnumero
+358504755955
Julkaisut
Atomic/molecular layer deposition of p-type conducting copper–sulfur–organic coordination polymer thin films for thermoelectric applications
Mari Heikkinen, Malar Auxilia Francis, Kristoffer Meinander, Girish C. Tewari, Mikko Nisula, Maarit Karppinen
2026
Journal of Materials Chemistry A
Atomic Layer Deposition of Highly Conducting NiS2 Thin Films from Elemental Sulfur
Juha Linjala, Yogesh Singh, Girish C. Tewari, Kristoffer Meinander, Tripurari S. Tripathi, Maarit Karppinen
2026
Advanced Materials Interfaces
Toward roll-to-roll ALD of thermoelectric Al-doped ZnO thin films on flexible nanostructured PET membranes
Esa Alakoski, Sami Kinnunen, Girish C. Tewari, Jaakko Julin, Antti J. Soininen, Maarit Karppinen
2025
Applied Physics Letters
Berry curvature induced anomalous Hall and Nernst effects in a magnetic nodal line semimetal: Mn3ZnC
Sunil Gangwar, Girish C. Tewari, C. S. Yadav
2025
Physical Review B
Tunable Electrical and Optical Properties in Atomic Layer Deposited TiO2:Pt Thin Films via Dynamic Metallic Nanoparticle Formation
Ramin Ghiyasi, Girish C. Tewari, Maarit Karppinen
2025
Advanced Materials Interfaces
Enhancing the Performance and Photostability of Perovskite Solar Cells with a Multifunctional Light-Management Composite
Seyede Maryam Mousavi, Mostafa Othman, Fanxing Zou, Noora Lamminen, Girish Tewari, Hossein Baniasadi, Pedro Silva, Yujiao Dong, Janne Halme, Aïcha Hessler-Wyser, Christian M. Wolff, Paola Vivo, Muhammad Imran Asghar, Jaana Vapaavuori
2025
Small Science
Massive reduction in lattice thermal conductivity and strongly enhanced thermoelectric properties in Ge- and Se-doped CoSbS
H. Sajida Kousar, Divya Srivastava, Antti J. Karttunen, Maarit Karppinen, Girish C. Tewari
2024
Journal of Materials Chemistry A
Signature of elementary excitations in Se-substituted layered triangular-lattice antiferromagnet CuCrS2
Girish C. Tewari, H. Sajida Kousar, Divya Srivastava, Maarit Karppinen
2024
Journal of Magnetism and Magnetic Materials
Tunable Low-Temperature Thermoelectric Transport Properties in Layered CuCr(S1-xSex)2 System
H. Sajida Kousar, Divya Srivastava, Maarit Karppinen, Girish C. Tewari
2023
Zeitschrift fur Anorganische und Allgemeine Chemie
CVD nanocrystalline multilayer graphene coated 3D-printed alumina lattices
Cristina Ramírez, Ali Saffar Shamshirgar, Domingo Pérez-Coll, María Isabel Osendi, Pilar Miranzo, Girish C. Tewari, Maarit Karppinen, Irina Hussainova, Manuel Belmonte
2023
Carbon
Maximizing sound absorption, thermal insulation, and mechanical strength of anisotropic pectin cryogels
Fangxin Zou, Jose Cucharero, Yujiao Dong, Pinja Kangas, Ya Zhu, Janne Kaskirinne, Girish C. Tewari, Tuomas Hänninen, Tapio Lokki, Hailong Li, Jaana Vapaavuori
2023
Chemical Engineering Journal
Simultaneously enhanced electrical conductivity and suppressed thermal conductivity for ALD ZnO films via purge-time controlled defects
Ramin Ghiyasi, Milena Milich, John Tomko, Girish C. Tewari, Mika Lastusaari, Patrick E. Hopkins, Maarit Karppinen
2022
Applied Physics Letters
p-type to n-type conductivity transition in thermoelectric CoSbS
H. Sajida Kousar, Divya Srivastava, Antti J. Karttunen, Maarit Karppinen, Girish C. Tewari
2022
APL Materials
Magnetotransport and high-resolution angle-resolved photoelectron spectroscopy studies of palladium-doped Bi2Te3
Shailja Sharma, Shiv Kumar, Girish C. Tewari, Girish Sharma, Eike F. Schwier, Kenya Shimada, A. Taraphder, C. S. Yadav
2022
Physical Review B
Optically transparent pectin/poly(methyl methacrylate) composite with thermal insulation and UV blocking properties based on anisotropic pectin cryogel
Fangxin Zou, Hailong Li, Yujiao Dong, Girish C. Tewari, Jaana Vapaavuori
2022
Chemical Engineering Journal
Emergence of Metallic Conductivity in Ordered One-Dimensional Coordination Polymer Thin Films upon Reductive Doping
Mikko Nisula, Antti J. Karttunen, Eduardo Solano, Girish C. Tewari, Maarit Karppinen, Matthias Minjauw, Himanshu Sekhar Jena, Pascal Van Der Voort, Dirk Poelman, Christophe Detavernier
2021
ACS Applied Materials and Interfaces
Optically controlled large-coercivity room-temperature thin-film magnets
Anish Philip, Yifan Zhou, Girish C. Tewari, Sebastiaan van Dijken, Maarit Karppinen
2021
Journal of Materials Chemistry C
Thermal transport and thermoelectric effect in composites of alumina and graphene-augmented alumina nanofibers
Ali Saffar Shamshirgar, Manuel Belmonte, Girish C. Tewari, Rocio Estefania Rojas Hernandez, Jani Seitsonen, Roman Ivanov, Maarit Karppinen, Pilar Miranzo, Irina Hussainova
2021
Materials
Functionally Graded Tunable Microwave Absorber with Graphene-Augmented Alumina Nanofibers
Ali Saffar Shamshirgar, Rocio E. Rojas Hernandez, Girish C. Tewari, Jose Francisco Fernandez, Roman Ivanov, Maarit Karppinen, Irina Hussainova
2021
ACS Applied Materials and Interfaces
Organic-Component Dependent Crystal Orientation and Electrical Transport Properties in ALD/MLD Grown ZnO-Organic Superlattices
Ramin Ghiyasi, Girish C. Tewari, Maarit Karppinen
2020
Journal of Physical Chemistry C
Flexible ϵ-Fe2O3-Terephthalate Thin-Film Magnets through ALD/MLD
Anish Philip, Janne Petteri Niemelä, Girish C. Tewari, Barbara Putz, Thomas Edward James Edwards, Mitsuru Itoh, Ivo Utke, Maarit Karppinen
2020
ACS Applied Materials and Interfaces
Investigating the vibrational lattice anisotropy in FeTe0.5Se0.5 using magnetically oriented crystallites
Reijo Pohjonen, Fredrik Lindroos, Girish C. Tewari, Johan Lindén
2020
Solid State Communications
Layered structure of alumina/graphene-augmented-inorganic-nanofibers with directional electrical conductivity
Ali Saffar Shamshirgar, Rocio Estefania Rojas Hernandez, Girish C. Tewari, Roman Ivanov, Valdek Mikli, Maarit Karppinen, Irina Hussainova
2020
Carbon
Fe3Se4 : a possible ferrimagnetic half-metal?
Girish C. Tewari, Divya Srivastava, Reijo Pohjonen, Otto Mustonen, Antti J. Karttunen, Johan Linden, Maarit Karppinen
2020
Journal of Physics: Condensed Matter
Isovalent substitution effects on thermoelectric transport properties of CoSbX (X = S, Se, Te) system
Hafiza Sajida Kousar, Divya Srivastava, Maarit Karppinen, Girish C. Tewari
2019
Journal of Physics: Condensed Matter
Electronic and Vibrational Properties of TiS2, ZrS2, and HfS2
Nina Glebko, Irina Aleksandrova, Girish C. Tewari, Tripurari S. Tripathi, Maarit Karppinen, Antti J. Karttunen
2018
Journal of Physical Chemistry C
Nonequilibrium restoration of duality symmetry in the vicinity of the superconductor-to-insulator transition
I. Tamir, A. Doron, T. Levinson, F. Gorniaczyk, G. C. Tewari, D. Shahar
2017
Physical Review B
Efficacies of dopants in thermoelectric BiOCuSe
Ta-Lei Chou, Girish C. Tewari, Divya Srivastava, Atsushi Yamamoto, Ting-Shan Chan, Ying-Ya Hsu, Jinming Chen, Hisao Yamauchi, Maarit Karppinen
2016
Materials Chemistry and Physics
Direct determination of the temperature of overheated electrons in an insulator
T. Levinson, A. Doron, I. Tamir, G. C. Tewari, D. Shahar
2016
Physical Review B
Finite-size effects in amorphous indium oxide
Sreemanta Mitra, Girish C. Tewari, Diana Mahalu, Dan Shahar
2016
Physical Review B
Negative Magnetoresistance in Amorphous Indium Oxide Wires
Sreemanta Mitra, Girish C. Tewari, Diana Mahalu, Dan Shahar
2016
Scientific Reports
EXAFS study of thermoelectric BiCuOSe: Effects of Cu vacancies
T.-L. Chou, G.C. Tewari, T.S. Chan, Y.-Y. Hsu, Hisao Yamauchi, Maarit Karppinen
2015
Solid State Communications
Semiconducting BiOCuSe thermoelectrics and its metallic derivative Bi2YO4Cu2Se2
T.-L. Chou, G.C. Tewari, T.-S. Chan, Y.-Y. Hsu, J.-M. Chen, Hisao Yamauchi, Maarit Karppinen
2015
European Journal of Inorganic Chemistry
Mössbauer study of hyperfine interactions in EuFe2(As1-xPx)2 and BaFe2(As1-xPx)2
A. Sklyarova, G.C. Tewari, J. Linden, Otto Mustonen, Eeva-Leena Rautama, Maarit Karppinen
2015
Journal of Magnetism and Magnetic Materials
Evolution of the internal magnetic field in chalcogenide superconductors FeSe1-x for various x values
A. Sklyarova, G.C. Tewari, J. Linden, E.-L. Rautama, M. Karppinen
2014
Journal of Magnetism and Magnetic Materials
Fe-57 Mossbauer study of a secondary phase in FeSe1-x with a large quadrupole splitting
A. Sklyarova, J. Linden, Girish Tewari, E. -L. Rautama, M. Karppinen
2014
Hyperfine Interactions
Thermoelectric properties of Cu and Cr disordered CuCrX2(X=S, Se)
Divya Srivastava, Girish C. Tewari, Maarit Karppinen
2014
Journal of Physics: Condensed Matter
Thermoelectric properties of layered antiferromagnetic CuCrSe2
Girish C. Tewari, T.S. Tripathi, Hisao Yamauchi, Maarit Karppinen
2014
Materials Chemistry and Physics
Thermoelectric misfit-layered cobalt oxides with interlayers of hydroxide and peroxide species
T.-L. Chou, J. Lybeck, T.-S. Chan, Y.-Y. Hsu, G.C. Tewari, E.-L. Rautama, H. Yamauchi, M. Karppinen
2013
Journal of Solid State Chemistry
Evidence of magnetic broadening in Mössbauer spectra of superconducting FeTe0.8S0.2
A. Sklyarova, G.C. Tewari, J. Linden, H. Yamauchi, M. Karppinen
2013
Hyperfine Interactions
First-principles study of layered antiferromagnetic CuCrX2 (X = S, Se and Te)
Divya Srivastava, Girish C. Tewari, Maarit Karppinen, Risto M. Nieminen
2013
Journal of Physics: Condensed Matter
Effects of competing magnetic interactions on the electronic transport properties of CuCrSe2
G.C. Tewari, M. Karppinen, A.K. Rastogi
2013
Journal of Solid State Chemistry
Electronic Transport Properties of Layered Antiferromagnet CuCrS2
Girish C. Tewari, Pavan Kumar, T. S. Tripathi, A.K. Rastogi
2011
Solid State Physics - Proceedings of the 55th DAE Solid State Physics Symposium 2010
Increase in the Thermoelectric Efficiency of the Disordered Phase of Layered Antiferromagnetic CuCrS2
Girish C. Tewari, T. S. Tripathi, P. Kumar, A.K. Rastogi, S. K. Pasha, Govind Gupta
2011
Journal of Electronic Materials
Electronic transport properties of stuffed compositions of ferromagnetic copper chromium telluride
T. S. Tripathi, G. C. Tewari, A.K. Rastogi
2011
Journal of Magnetism and Magnetic Materials
Magnetic properties of stuffed copper chromium tellurides Cu 1xCr2yTe4 (x=01, y<0.3)
T. S. Tripathi, G. C. Tewari, A.K. Rastogi, C. S. Yadav, P. L. Paulose
2011
Journal of Magnetism and Magnetic Materials
Effect of chromium disorder on the thermoelectric properties of layered-antiferromagnet CuCrS2
Girish C. Tewari, Tripurari S. Tripathi, Ashok K Rastogi
2010
Zeitschrift für Kristallographie - Crystalline Materials
Thermoelectric properties of layer-antiferromagnet CuCrS2
Girish C. Tewari, T. S. Tripathi, A. K. Rastogi
2010
Journal of Electronic Materials
The study of magnon-drag effects in the thermopower of CuCr 2X4 (X = S, Se and Te)
T. S. Tripathi, G. C. Tewari, A. K. Rastogi
2010
Journal of Physics: Conference Series
A magnetometer for cryogen-free systems
T. S. Tripathi, G. C. Tewari, A.K. Rastogi
2009
Current Science
A magnetometer for cryogen-free systems
T. S. Tripathi, G. C. Tewari, A. K. Rastogi
2009
Current Science
A Magnetometer for Cryogen-free systems: Extraction and Integration method
T S Tripathi, G C Tewari, A.K. Rastogi
2008
53rd DAE Solid State Symposium
Magnetic properties of the thiospinel compound CuCr2Se4
T S Tripathi, G C Tewari, C. S. Yadav, A.K. Rastogi
2006
51st DAE Solid State Symposium