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Spin Hall Magnetoresistance Induced by a Nonequilibrium Proximity Effect

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Spin Hall Magnetoresistance Induced by a Nonequilibrium Proximity Effect

Type of Publication: Journal article
Publication status: Published
Author: Nakayama, Hiroyasu; Althammer, Matthias; Chen, Yan-Ting; Uchida, Ken-ichi; Kajiwara, Yosuke; Kikuchi, Daisuke; Ohtani, Takashi; Bauer, Gerrit E. W.; Gönnenwein, Sebastian T. B.; Saitoh, Eiji et al.
Year of publication: 2013
Published in: Physical Review Letters ; 110 (2013), 20. - 206601. - American Physical Society (APS). - ISSN 0031-9007. - eISSN 1079-7114
Pubmed ID: 25167435
ArXiv-ID: arXiv:1211.0098
DOI (citable link): https://dx.doi.org/10.1103/PhysRevLett.110.206601
Summary:
We report anisotropic magnetoresistance in Pt|Y3Fe5O12 bilayers. In spite of Y3Fe5O12 being a very good electrical insulator, the resistance of the Pt layer reflects its magnetization direction. The effect persists even when a Cu layer is inserted between Pt and Y3Fe5O12, excluding the contribution of induced equilibrium magnetization at the interface. Instead, we show that the effect originates from concerted actions of the direct and inverse spin Hall effects and therefore call it “spin Hall magnetoresistance.”
Subject (DDC): 530 Physics
Refereed: Yes

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NAKAYAMA, Hiroyasu, Matthias ALTHAMMER, Yan-Ting CHEN, Ken-ichi UCHIDA, Yosuke KAJIWARA, Daisuke KIKUCHI, Takashi OHTANI, Gerrit E. W. BAUER, Sebastian T. B. GÖNNENWEIN, Eiji SAITOH, 2013. Spin Hall Magnetoresistance Induced by a Nonequilibrium Proximity Effect. In: Physical Review Letters. American Physical Society (APS). 110(20), 206601. ISSN 0031-9007. eISSN 1079-7114. Available under: doi: 10.1103/PhysRevLett.110.206601

@article{Nakayama2013-05-17Magne-52484, title={Spin Hall Magnetoresistance Induced by a Nonequilibrium Proximity Effect}, year={2013}, doi={10.1103/PhysRevLett.110.206601}, number={20}, volume={110}, issn={0031-9007}, journal={Physical Review Letters}, author={Nakayama, Hiroyasu and Althammer, Matthias and Chen, Yan-Ting and Uchida, Ken-ichi and Kajiwara, Yosuke and Kikuchi, Daisuke and Ohtani, Takashi and Bauer, Gerrit E. W. and Gönnenwein, Sebastian T. B. and Saitoh, Eiji}, note={Article Number: 206601} }

Chen, Yan-Ting Spin Hall Magnetoresistance Induced by a Nonequilibrium Proximity Effect Ohtani, Takashi Chen, Yan-Ting Kikuchi, Daisuke Kikuchi, Daisuke Uchida, Ken-ichi Althammer, Matthias 2021-01-18T09:53:24Z Saitoh, Eiji Gönnenwein, Sebastian T. B. Althammer, Matthias Gönnenwein, Sebastian T. B. 2013-05-17 Kajiwara, Yosuke Ohtani, Takashi Kajiwara, Yosuke eng terms-of-use Uchida, Ken-ichi Nakayama, Hiroyasu 2021-01-18T09:53:24Z Bauer, Gerrit E. W. Nakayama, Hiroyasu We report anisotropic magnetoresistance in Pt|Y<sub>3</sub>Fe<sub>5</sub>O<sub>12</sub> bilayers. In spite of Y<sub>3</sub>Fe<sub>5</sub>O<sub>12</sub> being a very good electrical insulator, the resistance of the Pt layer reflects its magnetization direction. The effect persists even when a Cu layer is inserted between Pt and Y<sub>3</sub>Fe<sub>5</sub>O<sub>12</sub>, excluding the contribution of induced equilibrium magnetization at the interface. Instead, we show that the effect originates from concerted actions of the direct and inverse spin Hall effects and therefore call it “spin Hall magnetoresistance.” Bauer, Gerrit E. W. Saitoh, Eiji

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