S
Se Kwon Kim
Researcher at KAIST
Publications - 109
Citations - 3743
Se Kwon Kim is an academic researcher from KAIST. The author has contributed to research in topics: Magnon & Angular momentum. The author has an hindex of 26, co-authored 108 publications receiving 2711 citations. Previous affiliations of Se Kwon Kim include Johns Hopkins University & University of Missouri.
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Journal ArticleDOI
Fast domain wall motion in the vicinity of the angular momentum compensation temperature of ferrimagnets.
Kab-Jin Kim,Se Kwon Kim,Yuushou Hirata,Se Hyeok Oh,Takayuki Tono,Duck-Ho Kim,Takaya Okuno,Woo Seung Ham,Sanghoon Kim,Gyoungchoon Go,Yaroslav Tserkovnyak,Arata Tsukamoto,Takahiro Moriyama,Kyung Jin Lee,Teruo Ono,Teruo Ono +15 more
TL;DR: This finding allows the physics of antiferromagnetic spin dynamics to be investigated and highlights the importance of tuning of the angular momentum compensation point of ferrimagnets, which could be a key towards ferrimagnetic spintronics.
Journal ArticleDOI
Room-Temperature Creation and Spin-Orbit Torque Manipulation of Skyrmions in Thin Films with Engineered Asymmetry.
Guoqiang Yu,Pramey Upadhyaya,Xiang Li,Wenyuan Li,Se Kwon Kim,Yabin Fan,Kin L. Wong,Yaroslav Tserkovnyak,Pedram Khalili Amiri,Kang L. Wang +9 more
TL;DR: A new method for creating a stable skyrmion bubble phase in the CoFeB-MgO material system at room temperature is demonstrated, by engineering the interfacial perpendicular magnetic anisotropy of the ferromagnetic layer.
Journal ArticleDOI
Fast domain wall motion induced by antiferromagnetic spin dynamics at the angular momentum compensation temperature of ferrimagnets
Kab-Jin Kim,Se Kwon Kim,Takayuki Tono,Se-Hyeok Oh,Takaya Okuno,Woo Seung Ham,Yuushou Hirata,Sang Hoon Kim,Gyoungchoon Go,Yaroslav Tserkovnyak,Arata Tsukamoto,Takahiro Moriyama,Kyung Jin Lee,Teruo Ono +13 more
TL;DR: In this article, fast field-driven antiferromagnetic spin dynamics is realized in ferrimagnets at the angular momentum compensation point TA, using rare-earth 3d-transition metal ferrimagnetic compounds where net magnetic moment is nonzero at TA.
Journal ArticleDOI
Realization of the Haldane-Kane-Mele Model in a System of Localized Spins.
TL;DR: The effective Hamiltonian for magnons, the quanta of spin-wave excitations, is shown to be equivalent to the Haldane model for electrons, which indicates the nontrivial topology of the band and the existence of the associated edge state.
Journal ArticleDOI
Vanishing skyrmion Hall effect at the angular momentum compensation temperature of a ferrimagnet.
Yuushou Hirata,Duck-Ho Kim,Se Kwon Kim,Se Kwon Kim,Dongkyu Lee,Se Hyeok Oh,Dae-Yun Kim,Tomoe Nishimura,Takaya Okuno,Yasuhiro Futakawa,Hiroki Yoshikawa,Arata Tsukamoto,Yaroslav Tserkovnyak,Yoichi Shiota,Takahiro Moriyama,Sug-Bong Choe,Kyung Jin Lee,Teruo Ono,Teruo Ono +18 more
TL;DR: In this article, the authors investigated the current-driven transverse elongation of pinned ferrimagnetic bubbles and showed that the skyrmion Hall effect vanishes at the angular momentum compensation temperature where the net spin density vanishes.