Professors

• · 1999 Ph.D. in Physics, KAIST
• · 1994 M.S. in Physics, KAIST
• · 1992 B.S. in physics, KAIST

• · 2004-present Assistance Professor, Associate Professor, Professor Seoul National University
• · 2002~2004 PostDoc Lawrence Berkeley National Laboratory
• · 2000~2002 Research Assistance Professor, KAIST
• · 1999~2000 PostDoc, KAIST

physical phenomena, especially on dynamics in magnetic materials
Dzyaloshinskii-Moriya interaction and Rashba effect caused by the spin-orbit coupling
current-induced magnetization dynamics: spin-transfer torque and spin-orbit torque
magnetic domain wall and skyrmion dynamics

1. “Emergence of huge negative spin-transfer torque in atomically thin Co layers," Phys. Rev. Lett. 118(16), 167205 (2017).
2. “Chirality-induced Antisymmetry in Magnetic Domain Wall Speed," NPG Asia Materials 10, e464 (2018).
3. “Experimental observation of the correlation between the interfacial Dzyaloshinskii–Moriya interaction and work function in metallic magnetic trilayers," NPG Asia Materials 10, 995-1001 (2018).
4. “Vanishing skyrmion Hall effect at the angular momentum compensation temperature of a ferrimagnet," Nature Nanotechnology 14, 232-236 (2019).
5. “Bulk Dzyaloshinskii–Moriya Interaction in Amorphous Ferrimagnetic Alloys," Nature Materials 18, 685-690 (2019).