Nanomagnetism and Spintronics (NanoSpin)

The Nanomagnetism and Spintronics (NanoSpin) Group focuses on experimental studies of magnetic, magneto-optical, and spin-transport phenomena in new functional materials and hybrid nanoscale structures.
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Our Research

Our group works on new nanoscale phenomena and materials for future memory and analogue computing technologies. In particular, we are interested in approaches that can be disruptive to the field. We study new control mechanisms of magnetism involving low-power electric fields and ultrafast light pulses. We also are working towards deterministic manipulation of spin waves, transport and switching of topological skyrmions, and frustration by design in artificial spin ice lattices. For cognitive computing, we develop new electronic and optoelectronic materials that emulate biological synapses and neurons.

We are a multidisciplinary and experimental research group. Our laboratory houses dedicated equipment for material growth, lithography, and structural, magnetic, and electronic transport characterization. As a frontier technique, we operate an in-situ transmission electron microscopy measurement platform for atomic-resolution imaging under varying irradiation, heating, electric-field, and straining conditions.

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Group leader

Professor Sebastiaan van Dijken

E-field1

E-Field Control of Magnetism

Leveraging strain transfer in multiferroic heterostructures or reversible ion migration in metal/oxide bilayers and complex oxides we seek to control magnetism by low-power voltage pulses in thin magnetic films and nanostructures.

Department of Applied Physics
Magnonics1

Magnonics

Using ferromagnetic/ferroelectric bilayers and patterned yttrium iron garnet films we investigate new mechanisms for short-wavelength spin-wave excitation and active spin-wave manipulation.

Department of Applied Physics
Skyrmions1

Magnetic Skyrmions

We investigate the formation, annihilation, switching, and controlled motion of magnetic skyrmions in ultrathin perpendicularly magnetized heterostructures using electric fields.

Department of Applied Physics
Magnetoplasmonics1

Magnetoplasmonics

By design of plasmonic excitations in ferromagnetic metamaterials we tailor their magneto-optical response.

Department of Applied Physics
Spin-ice1

Artifcial Spin Ice

Utilizing frustration by design in 2D and 3D lattices of single-domain Ising-type nanomagnets we explore the real-time dynamics of magnetic excitations in artificial spin ice systems.

Department of Applied Physics
Cognitive-computing1

Cognitive Computing

Using a variety of memristive electronic and optoelectronic oxide elements we emulate the functions of synapses and neurons in the brain.

Department of Applied Physics
TEM1

In-Situ TEM

Leveraging special specimen holders and a double Cs-corrected transmission electron microscope (TEM) we are imaging nanomaterials under varying electrical biasing and heating conditions.

Department of Applied Physics

Latest publications

Department of Applied Physics, Nanomagnetism and Spintronics

Tunable magnetoplasmonics in lattices of Ni/SiO2/Au dimers

Publishing year: 2019 Scientific Reports
Department of Applied Physics, Nanomagnetism and Spintronics

Symmetry-breaking interlayer Dzyaloshinskii–Moriya interactions in synthetic antiferromagnets

Publishing year: 2019 Nature Materials
Nanomagnetism and Spintronics, Department of Applied Physics

Towards artificial Ising spin glasses

Publishing year: 2019 Physical Review B
Nanomagnetism and Spintronics, Department of Applied Physics, Quantum Dynamics

Lasing in Ni Nanodisk Arrays

Publishing year: 2019 ACS Nano
Nanomagnetism and Spintronics, Department of Applied Physics

Driven gyrotropic skyrmion motion through steps in magnetic anisotropy

Publishing year: 2019 Scientific Reports
Nanomagnetism and Spintronics, Department of Applied Physics

Giant non-volatile magnetoelectric effects via growth anisotropy in Co 40 Fe 40 B 20 films on PMN-PT substrates

Publishing year: 2019 Applied Physics Letters
Nanomagnetism and Spintronics, Department of Applied Physics

Energy-Efficient Organic Ferroelectric Tunnel Junction Memristors for Neuromorphic Computing

Publishing year: 2019 Advanced Electronic Materials
Department of Applied Physics, Complex Systems and Materials, Nanomagnetism and Spintronics

Emergent magnetic monopole dynamics in macroscopically degenerate artificial spin ice

Publishing year: 2019 Science Advances
Nanomagnetism and Spintronics, Department of Applied Physics

Spin Pumping from Permalloy into Uncompensated Antiferromagnetic Co doped Zinc Oxide

Publishing year: 2019
Nanomagnetism and Spintronics, Department of Applied Physics

Direct visualization of dynamic magnetic coupling in a Co/Py double layer with picosecond and nanometer resolution

Publishing year: 2019
More information on our research in the Research database.
Research database

Research group members

Huajun Qin

Department of Applied Physics
Academy Research Fellow

Sampo Inkinen

Department of Applied Physics
Doctoral Candidate
Sebastiaan van Dijken

Sebastiaan van Dijken

Department of Applied Physics
Professor
Lide Yao

Lide Yao

Department of Applied Physics
Academy Research Fellow

Francisco Freire Fernandez

Department of Applied Physics
Doctoral Candidate

Rhodri Mansell

Department of Applied Physics
Academy Research Fellow

Maria Ameziane

Department of Applied Physics
Doctoral Candidate

Yifan Zhou

Department of Applied Physics
Doctoral Candidate
Hongwei Tan

Hongwei Tan

Department of Applied Physics
Academy Postdoctoral Researcher

Rasmus B. Holländer

Department of Applied Physics
Postdoctoral Researcher

Alan Farhan

Department of Applied Physics
Postdoctoral Researcher
Taddäus Schaffers

Taddäus Schaffers

Department of Applied Physics
Postdoctoral Researcher

Sreekanth Perumbilavil

Department of Applied Physics
Postdoctoral Researcher
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