WON-YOUNG CHOI
Spintronics Researcher
Specializing in magnetic materials, magnons, spin transport, and spin-orbit torques.
Currently at Korea Institute of Science and Technology and Seoul National University.
Current Positions & Education
Current Roles
- Student Researcher at KIST,
Center for Semiconductor Technology
- Ph.D. Candidate at Seoul National University,
Department of Materials Science and Engineering
Education
- Master of Physics, Sogang University (2019-2021)
- Bachelor of Physics, Sogang University (2012-2019),
Summa Cum Laude
Selected Publications
- W.-Y. Choi, J.-H. Ha, et al. Magnetization switching driven by magnonic spin dissipation. Nature Communications 16, 5859 (2025)
- F. Kammerbauer, W.-Y. Choi, et al. Controlling 3D spin textures by manipulating sign and amplitude of interlayer DMI with electrical current. Nano Letters 23, 15, 7070-7075 (2023)
- W.-Y. Choi, et al. Emergence of the topological Hall effect in a tetragonal compensated ferrimagnet Mn2.3Pd0.7Ga. NPG Asia Materials 13, 79 (2021).
- W.-Y. Choi, et al. Proximity-Induced Magnetism Enhancement Emerged in Chiral Magnet MnSi/Topological Insulator Bi2Se3 Bilayer. Advanced Quantum Technologies 4, 2000124 (2021).
- W.-Y. Choi, et al. Skyrmion Phase in MnSi Thin Films Grown on Sapphire by a Conventional Sputtering. Nanoscale Research Letters 16, 7 (2021)
Honors & Awards
Best Poster Award
Korean Magnetics Society Winter Conference, 2022
Outstanding Presentation Award
Korean Physical Society Fall Meeting, 2020
Dean's List Award (Top 3% student)
Sogang University, Seoul, Korea, 2018
Honors Scholarship ($2100)
Sogang University, Seoul, Korea, 2016-2017
Technical & Language Skills
Techniques & Tools
- Thin film growth: Magnetron Sputtering
- Film characterization: SEM, EDXS, XRD, MPMS, PPMS
- Device fabrication : Photolithography
- Measurement technique: Electrical transport, Second Harmonic SOT measurement technique, Pulse driven magnetization switching
Languages & Software
- Native Korean, Intermediate English & Japanese
- Origin Lab, Qtiplot, VESTA, Illustrator, Blender, NanoCAD, ElmerFEM, FreeCAD
- C, Python, Labview
- AI prompt engineering (ChatGPT, Claude, Cursor)
Project & Research Interest
Field-free Magnetization Switching
Phonon-Magnon Interaction
Self-generated Spin Torque via Magnonic Spin Dissipation
News & Gallery
2025-05-13