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Sn thin films by magneto-optical Kerr effectUchimura, Tomohiro*; Yoon, J.-Y.*; Sato, Yuma*; Takeuchi, Yutaro*; Kanai, Shun*; Takechi, Ryota*; Kishi, Keisuke*; Yamane, Yuta*; DuttaGupta, S.*; Ieda, Junichi; et al.
Applied Physics Letters, 120(17), p.172405_1 - 172405_5, 2022/04
Times Cited Count：11 Percentile：84.45(Physics, Applied)Araki, Yasufumi; Ieda, Junichi
Physical Review Letters, 127(21), p.277205_1 - 277205_7, 2021/12
Times Cited Count：5 Percentile：54.81(Physics, Multidisciplinary)Momentum-space topology of electrons under strong spin-orbit coupling contributes to the electrically induced torques exerting on magnetic textures insensitively to disorder or thermal fluctuation. We present a direct connection between band topology and the torques by classifying the whole torques phenomenologically. As well as the intrinsic anomalous Hall effect, the torques also emerge intrinsically from the anomalous velocity of electrons regardless of a nonequilibrium transport current. We especially point out the intrinsic contribution arising exclusively in magnetic textures, which we call the "topological Hall torque (THT)". The THT emerges in bulk crystals without any interface or surface structures. We numerically demonstrate the enhancement of the THT in comparison with the conventional spin-transfer torque in the bulk metallic ferromagnet, which accounts for the giant current-induced torque measured in ferromagnetic 
.
Takeuchi, Yutaro*; Yamane, Yuta*; Yoon, J.-Y.*; Ito, Ryuichi*; Jinnai, Butsurin*; Kanai, Shun*; Ieda, Junichi; Fukami, Shunsuke*; Ohno, Hideo*
Nature Materials, 20(10), p.1364 - 1370, 2021/10
Times Cited Count：84 Percentile：98.68(Chemistry, Physical)
Sn
thin filmsYoon, J.-Y.*; Takeuchi, Yutaro*; DuttaGupta, S.*; Yamane, Yuta*; Kanai, Shun*; Ieda, Junichi; Ohno, Hideo*; Fukami, Shunsuke*
AIP Advances (Internet), 11(6), p.065318_1 - 065318_6, 2021/06
Times Cited Count：14 Percentile：78.56(Nanoscience & Nanotechnology)Zn
Cr
Se
Iikubo, Satoshi*; Yasui, Yukio*; Oda, Keisuke*; Ono, Yohei*; Kobayashi, Yoshiaki*; Sato, Masatoshi*; Kakurai, Kazuhisa
Journal of the Physical Society of Japan, 71(11), p.2792 - 2799, 2002/11
Times Cited Count：11 Percentile：56.87(Physics, Multidisciplinary)no abstracts in English
Araki, Yasufumi; Ieda, Junichi
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no abstracts in English
Araki, Yasufumi; Ieda, Junichi
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Araki, Yasufumi; Ieda, Junichi
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Araki, Yasufumi; Yamanouchi, Michihiko*; Sakai, Takaki*; Uemura, Tetsuya*; Ieda, Junichi
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Araki, Yasufumi
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Araki, Yasufumi; Ieda, Junichi
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