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Temperature dependence of spin Hall magnetoresistance in W/CoFeB bilayer
Okuno, Takaya,Taniguchi, Takuya,Kim, Sanghoon,Baek, Seung-heon Chris,Park, Byong-Guk,Moriyama, Takahiro,Kim, Kab-Jin,Ono, Teruo Institute of Pure and Applied Physics 2016 Japanese Journal of Applied Physics Vol. No.
<P>We investigate the temperature dependence of the spin Hall magnetoresistance (SMR) in a W/CoFeB bilayer. The SMR is found to increase with decreasing temperature. An analysis based on the SMR theory suggests that the spin Hall angle of W and/or the spin polarization of CoFeB can be the origin of the temperature dependence of the SMR. We also find that the spin diffusion length and the resistivity of W do not significantly vary with temperature, which indicates the necessity of further study on the electron transport mechanism in W films to reveal the origin of the spin Hall effect in W. (C) 2016 The Japan Society of Applied Physics</P>
Low Magnetic Damping of Ferrimagnetic GdFeCo Alloys
Kim, Duck-Ho,Okuno, Takaya,Kim, Se Kwon,Oh, Se-Hyeok,Nishimura, Tomoe,Hirata, Yuushou,Futakawa, Yasuhiro,Yoshikawa, Hiroki,Tsukamoto, Arata,Tserkovnyak, Yaroslav,Shiota, Yoichi,Moriyama, Takahiro,Kim, American Physical Society 2019 Physical Review Letters Vol.122 No.12
Vanishing skyrmion Hall effect at the angular momentum compensation temperature of a ferrimagnet
Duck-Ho Kim,Yuushou Hirata,Se Kwon Kim,Dong-Kyu Lee,Se-Hyeok Oh,Dae-Yun Kim,Tomoe Nishimura,Takaya Okuno,Yasuhiro Futakawa,Hiroki Yoshikawa,Arata Tsukamoto,Yaroslav Tserkovnyak,Yoichi Shiota,Takahiro 한국자기학회 2018 한국자기학회 학술연구발표회 논문개요집 Vol.2018 No.11