Surface Scattering via Bulk Continuum States in the 3D Topological Insulator Bi2Se3
Physical Review Letters 107 巻 05 号
056803- 頁
2011 発行
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| ファイル情報(添付) | |
| タイトル ( eng ) |
Surface Scattering via Bulk Continuum States in the 3D Topological Insulator Bi2Se3
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| 作成者 |
Kim Sunghun
Ye Mao
Kuroda Kenta
Yamada Yohei
Krasovskii E. E.
Chulkov E. V.
Ueda Yoshifumi
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| 収録物名 |
Physical Review Letters
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| 巻 | 107 |
| 号 | 05 |
| 開始ページ | 056803 |
| 抄録 |
We have performed scanning tunneling microscopy and differential tunneling conductance (dI/dV) mapping for the surface of the three-dimensional topological insulator Bi2Se3. The fast Fourier transformation applied to the dI/dV image shows an electron interference pattern near Dirac node despite the general belief that the backscattering is well suppressed in the bulk energy gap region. The comparison of the present experimental result with theoretical surface and bulk band structures shows that the electron interference occurs through the scattering between the surface states near the Dirac node and the bulk continuum states.
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| NDC分類 |
物理学 [ 420 ]
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| 言語 |
英語
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| 資源タイプ | 学術雑誌論文 |
| 出版者 |
American Physical Society
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| 発行日 | 2011 |
| 権利情報 |
(c) 2011 American Physical Society
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| 出版タイプ | Version of Record（出版社版。早期公開を含む） |
| アクセス権 | オープンアクセス |
| 収録物識別子 |
[ISSN] 0031-9007
[DOI] 10.1103/PhysRevLett.107.056803
[NCID] AA00773679
[DOI] http://dx.doi.org/10.1103/PhysRevLett.107.056803
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