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Dirac Cone Spin Polarization of Graphene by Magnetic Insulator Proximity Effect Probed with Outermost Surface Spin Spectroscopy
https://repo.qst.go.jp/records/49219
https://repo.qst.go.jp/records/492191a0bf213-6414-44b4-8cf6-e1d5a40ec8de
| Item type | 学術雑誌論文 / Journal Article(1) | |||||
|---|---|---|---|---|---|---|
| 公開日 | 2018-10-26 | |||||
| タイトル | ||||||
| タイトル | Dirac Cone Spin Polarization of Graphene by Magnetic Insulator Proximity Effect Probed with Outermost Surface Spin Spectroscopy | |||||
| 言語 | ||||||
| 言語 | eng | |||||
| 資源タイプ | ||||||
| 資源タイプ識別子 | http://purl.org/coar/resource_type/c_6501 | |||||
| 資源タイプ | journal article | |||||
| アクセス権 | ||||||
| アクセス権 | metadata only access | |||||
| アクセス権URI | http://purl.org/coar/access_right/c_14cb | |||||
| 著者 |
境, 誠司
× 境, 誠司× V., Erohin S.× I., Popov Z.× 白, 怜士× 渡邉, 貴弘× Yamada, Y.× 圓谷, 志郎× 李, 松田× アヴラモフ, パベル× 楢本, 洋× Ando, K.× パベル, ソロキン× 山内, 泰× 境 誠司× 白 怜士× 渡邉 貴弘× 圓谷 志郎× 李 松田× アヴラモフ パベル× 楢本 洋× パベル ソロキン× 山内 泰 |
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| 抄録 | ||||||
| 内容記述タイプ | Abstract | |||||
| 内容記述 | The effects of the proximity contact with magnetic insulator on the spin-dependent electronic structure of graphene are explored for the heterostructure of single layer graphene (SLG) and yttrium iron garnet Y3Fe5O12 (YIG) by means of outermost surface spin spectroscopy using a spin-polarized metastable He atom beam. In the SLG/YIG heterostructure, the Dirac cone electrons of graphene are found to be negatively spin-polarized in parallel to the minority spins of YIG with a large polarization degree, without giving rise to significant changes in the band structure. Theoretical calculations reveal the electrostatic interfacial interactions providing a strong physical adhesion and the indirect exchange interaction causing the spin polarization of SLG at the interface with YIG. The Hall device of the SLG/YIG heterostructure exhibits a nonlinear Hall resistance attributable to the anomalous Hall effect, implying the extrinsic spin-orbit interactions as another manifestation of the proximity effect. | |||||
| 書誌情報 |
Advanced Functional Materials 巻 28, 号 20, p. 1800462(1)-1800462(10), 発行日 2018-05 |
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| DOI | ||||||
| 識別子タイプ | DOI | |||||
| 関連識別子 | 10.1002/adfm.201800462 | |||||
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境, 誠司, V., Erohin S., I., Popov Z., 白, 怜士, 渡邉, 貴弘, Yamada, Y., 圓谷, 志郎, 李, 松田, アヴラモフ, パベル, 楢本, 洋, Ando, K., パベル, ソロキン, 山内, 泰, 境 誠司, 白 怜士, 渡邉 貴弘, 圓谷 志郎, 李 松田, アヴラモフ パベル, 楢本 洋, パベル ソロキン, 山内 泰, 2018, Dirac Cone Spin Polarization of Graphene by Magnetic Insulator Proximity Effect Probed with Outermost Surface Spin Spectroscopy: 1800462(1)–1800462(10) p.
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