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Interface-induced perpendicular magnetic anisotropy of Co nanoparticles on single-layer h-BN/Pt(111)
https://repo.qst.go.jp/records/48920
https://repo.qst.go.jp/records/489204e5860be-87da-4ced-a146-a13b25f4cd50
Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2018-05-08 | |||||
タイトル | ||||||
タイトル | Interface-induced perpendicular magnetic anisotropy of Co nanoparticles on single-layer h-BN/Pt(111) | |||||
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 |
渡邉, 貴弘
× 渡邉, 貴弘× Yamada, Y.× Koide, A.× 圓谷, 志郎× 李, 松田× I., Popov Z.× B., Sorokin P.× 楢本, 洋× Sasaki, M.× Amemiya, K.× 境, 誠司× 渡邉 貴弘× 圓谷 志郎× 李 松田× パベル ソロキン× 楢本 洋× 境 誠司 |
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抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | Ferromagnetism with perpendicular magnetic anisotropy (PMA) was observed at room temperature in cobalt nanoparticles (NPs) grown on hexagonal boron nitride (h-BN) on a Pt(111) surface. It was shown that the Co NPs have planar hexagonal shapes with a mean diameter of ∼20 nm and a mean height of ∼1.6 nm. The depth-resolved analysis of X-ray magnetic circular dichroism at the Co L2,3-edges revealed that in the ferromagnetic Co NPs, the ratio of the orbital magnetic moment to the spin magnetic moment in the out-of-plane direction becomes larger at the Co NP/h-BN interface than the ratio in bulk Co. The B and N K-edge near edge X-ray absorption fine structures showed the orbital hybridization between the π orbitals of h-BN and d orbitals of Co at the interface, as an origin of the orbital magnetic moment enhancement possibly giving rise to PMA in the Co NPs. | |||||
書誌情報 |
Applied Physics Letters 巻 112, 号 2, p. 022407-1-022407-5, 発行日 2018-05 |
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DOI | ||||||
識別子タイプ | DOI | |||||
関連識別子 | 10.1063/1.5010836 |