Graduate Students

Won-Bin is currently working on magneto-optical Kerr effect measurement at SKKU (Prof. Gyung-Min Choi's group).

[†equal contribution]

K. Kang, W.-B. Lee, D.-K. Lee, K.-J. Lee, and G.-M. Choi, Magnetization dynamics of antiferromagnetic metals of PtMn and IrMn driven by a pulsed spin-transfer torque, Appl. Phys. Lett. 118, 252407 (2021).
W.-B. Lee†, S.-B. Kim†, K.-W. Kim, K.-J. Lee, H.-C. Koo, and G.-M. Choi, Direct observation of spin accumulation and spin-orbit torque driven by Rashba-Edelstein effect in an InAs quantum-well layer, Phys. Rev. B 104, 184412 (2021).

Hye-Won is currently working on quantum magnons theoretically.

H.-J. Park, H.-W. Ko, G. Go, J. H. Oh, K.-W. Kim, and K.-J. Lee, Spin swapping effect of band structure origin in centrosymmetric ferromagnets, Phys. Rev. Lett. 129, 037202 (2022).
D. Lee, D. Go, H.-J. Park, W. Jeong, H.-W. Ko, D. Yun, D. Jo, S. Lee, G. Go, J. H. Oh, K.-J. Kim, B.-G. Park, B.-C. Min, H. C. Koo, H.-W. Lee, O. Lee, and K.-J. Lee, Orbital torque in magnetic bilayers, Nat. Commun. 12, 6710 (2021).
J. Jeon, S. W. Cho, O. Lee, J. Hong, J. Y. Kwak, S. Han, S. Jung, Y. Kim, H.-W. Ko, S. Lee, K.-J. Lee, and H. C. Koo, Field-like spin-orbit torque induced by bulk Rashba channels in GeTe/NiFe bilayers, NPG. Asia Mater. 13, 76 (2021).
J.-H. Park, H.-W. Ko, J.-M. Kim, J. Park, S.-Y. Park, Y. Jo, B.-G. Park, S. K. Kim, K.-J. Lee, and K.-J. Kim, Temperature dependence of intrinsic and extrinsic contributions to anisotropic magnetoresistance, Sci. Rep. 11, 20884 (2021).
H.-W. Ko, H.-J. Park, G. Go, J. H. Oh, K.-W. Kim, and K.-J. Lee, Role of orbital hybridization in anisotropic magnetoresistance, Phys. Rev. B 101, 184413 (2020); arXiv:2004.04370.
D.-H. Kim, M. Haruta, H.-W. Ko, G. Go, H.-J. Park, T. Nishimura, D.-Y. Kim, T. Okuno, Y. Hirata, Y. Futakawa, H. Yoshikawa, W. Ham, S. Kim, H. Kurata, A. Tsukamoto, Y. Shiota, T. Moriyama, S.-B. Choe, K.-J. Lee, and T. Ono, Bulk Dzyaloshinskii-Moriya interaction in amorphous ferrimagnetic alloys, Nat. Mater. 18, 685 (2019).

Seok-Jong is currently working on magnetization dynamics of ferrimagnets theoretically.

[†equal contribution]

M. H. Lee†, S.-J. Kim†, S. I. Yoon, T. Kim, J. K. Lee, H. S. Ko, G. Kim, S. Hong, K.-J. Lee, and Y. K. Kim, Reduction of operating current by harnessing the field-like and damping-like torque ratios in nonmagnet-ferromagnet heterojunctions, Small Sci. 4, 2300224 (2024).
J.-M. Kim†, S.-J. Kim†, M.-G. Kang, J.-G. Choi, S. Lee, J. Park, C. V. Phuoc, K.-W. Kim, K.-J. Kim, J.-R. Jeong, K.-J. Lee and B.-G. Park, Enhanced spin Seebeck effect via oxygen manipulation, Nat. Commun. 14, 3365 (2023).
J. Ryu, R. Thompson, J. Y. Park, S.-J. Kim, G. Choi, J. Kang, H. B. Jeong, M. Kohda, J. M. Yuk, J. Nitta, K.-J. Lee & B.-G. Park, Efficient spin–orbit torque in magnetic trilayers using all three polarizations of a spin current, Nat. Electron. 5, 217 (2022).
S.-J. Kim, D.-K. Lee, S.-H. Oh, H. C. Koo, and K.-J. Lee, Theory of spin-torque ferrimagnetic resonance, Phys. Rev. B 104, 024405 (2021).
J. Shim, S.-J. Kim, S. K. Kim, and K.-J. Lee, Enhanced magnon-photon coupling at the angular momentum compensation point of ferrimagnets, Phys. Rev. Lett. 125, 027205 (2020).

Hee-Chang is currently working on spin transport in condensed matter theoretically.

Seongmun is currently working on magnetization dynamics of ferrimagnets theoretically.

Jae Gwang is currently working on orbital physics theoretically.

F. Wang, G. Shi, K.-W. Kim, H.-J. Park, J. G. Jang, H. R. Tan, M. Lin, Y. Liu, T. Kim, D. Yang, S. Zhao, K. Lee, S. Yang, A. Soumyanarayanan, K.-J. Lee, and H. Yang, Field-free switching of perpendicular magnetization by two-dimensional PtTe2/WTe2 van der Waals heterostructures with high spin Hall conductivity, Nat. Mater. 23, 768 (2024).

Yeonsoo is currently working on magnetization dynamics theoretically.

Jinseob is currently working on orbital physics theoretically.

Changmin is currently working on DFT.

Yuri is currently working on BLS in the KRISS with Dr. Chanyong Hwang.

Hanseok is currently working on Ising Machine.