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Spin polarization of graphene and $h$-BN on Co(0001) and Ni(111) observed by spin-polarized surface positronium spectroscopy
https://repo.qst.go.jp/records/48967
https://repo.qst.go.jp/records/489677ca04b66-59ac-4a3a-8020-08ef10a78032
| Item type | 学術雑誌論文 / Journal Article(1) | |||||
|---|---|---|---|---|---|---|
| 公開日 | 2018-05-06 | |||||
| タイトル | ||||||
| タイトル | Spin polarization of graphene and $h$-BN on Co(0001) and Ni(111) observed by spin-polarized surface positronium 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 |
Miyashita, Atsumi
× Miyashita, Atsumi× Maekawa, Masaki× Wada, Ken× Kawasuso, Atsuo× Watanabe, Takahiro× Entani, Shiro× Sakai, Seiji× Miyashita, Atsumi× Maekawa, Masaki× Wada, Ken× Kawasuso, Atsuo× Watanabe, Takahiro× Entani, Shiro× Sakai, Seiji |
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| 抄録 | ||||||
| 内容記述タイプ | Abstract | |||||
| 内容記述 | In spin-polarized surface positronium annihilation measurements, the spin polarizations of graphene and h-BN on Co(0001) were higher than those on Ni(111), while no significant differences were seen between graphene and h-BN on the same metal. The obtained spin polarizations agreed with those expected from first-principles calculations considering the positron wave function and the electron density of states from the first surface layer to the vacuum region. The higher spin polarizations of graphene and h-BN on Co(0001) as compared to Ni(111) simply reflect the spin polarizations of these metals. The comparable spin polarizations of graphene and h-BN on the same metal are attributed to the creation of similar electronic states due to the strong influence of the metals: the Dirac cone of graphene and the band gap of h-BN disappear as a consequence of d-π hybridization. |
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| 書誌情報 |
Physical Review B 巻 97, 号 19, p. 195405-1-195405-5, 発行日 2018-05 |
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| 出版者 | ||||||
| 出版者 | American Physical Society | |||||
| DOI | ||||||
| 識別子タイプ | DOI | |||||
| 関連識別子 | 10.1103/PhysRevB.97.195405 | |||||
| 関連サイト | ||||||
| 識別子タイプ | URI | |||||
| 関連識別子 | https://link.aps.org/doi/10.1103/PhysRevB.97.195405 | |||||
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Miyashita, Atsumi, Maekawa, Masaki, Wada, Ken, Kawasuso, Atsuo, Watanabe, Takahiro, Entani, Shiro, Sakai, Seiji, Miyashita, Atsumi, Maekawa, Masaki, Wada, Ken, Kawasuso, Atsuo, Watanabe, Takahiro, Entani, Shiro, Sakai, Seiji, n.d., Spin polarization of graphene and $h$-BN on Co(0001) and Ni(111) observed by spin-polarized surface positronium spectroscopy: American Physical Society, 195405-1-195405-5 p.
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