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PhysRevB.82.201307.pdf | 327.64 kB | Adobe PDF | 見る/開く |
タイトル: | Spin-polarized semiconductor surface states localized in subsurface layers |
著者: | Ohtsubo, Yoshiyuki Hatta, Shinichiro https://orcid.org/0000-0001-5034-5187 (unconfirmed) Yaji, Koichiro Okuyama, Hiroshi https://orcid.org/0000-0002-6031-0612 (unconfirmed) Miyamoto, Koji Okuda, Taichi Kimura, Akio Namatame, Hirofumi Taniguchi, Masaki Aruga, Tetsuya https://orcid.org/0000-0002-4276-0679 (unconfirmed) |
著者名の別形: | 有賀, 哲也 |
発行日: | Nov-2010 |
出版者: | The American Physical Society |
誌名: | Physical Review B |
巻: | 82 |
号: | 20 |
論文番号: | 201307(R) |
抄録: | A pair of different surface-state and surface-resonance bands has been identified on Bi/Ge(111)-(√3×√3)R30° by a combined experimental and computational study. The wave functions of the states have negligible amplitude at Bi atoms and are extended over more than 20 subsurface layers. These bands exhibit characteristic spin structure, which is ascribed to the combined Rashba and atomic spin-orbit interaction (SOI). Unlike previously known surface Rashba systems, the spin polarization is induced by SOI of a light element (Ge) with negligible contribution of a heavier one (Bi). |
著作権等: | © 2010 The American Physical Society |
URI: | http://hdl.handle.net/2433/134560 |
DOI(出版社版): | 10.1103/PhysRevB.82.201307 |
出現コレクション: | 学術雑誌掲載論文等 |
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