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024 7 _ |2 DOI
|a 10.1143/JPSJ.77.014701
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|a WOS:000252632700020
037 _ _ |a PreJuSER-60668
041 _ _ |a eng
082 _ _ |a 530
084 _ _ |2 WoS
|a Physics, Multidisciplinary
100 1 _ |a Yaginuma, S.
|b 0
|0 P:(DE-HGF)0
245 _ _ |a Electronic Structure of Ultrathin Bismuth Films with A7 and Black-Phosphorus-like Structures
260 _ _ |a Tokyo
|b The Physical Society of Japan
|c 2008
300 _ _ |a 014701
336 7 _ |a Journal Article
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336 7 _ |a Journal Article
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336 7 _ |a ARTICLE
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336 7 _ |a JOURNAL_ARTICLE
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336 7 _ |a article
|2 DRIVER
440 _ 0 |a Journal of the Physical Society of Japan
|x 0031-9015
|0 3931
|v 77
500 _ _ |a Record converted from VDB: 12.11.2012
520 _ _ |a Using scanning tunneling spectroscopy and first-principles calculations, we have studied the electronic structure of two different ultrathin bismuth films on a Si(111)-7 x 7 substrate; a hexagonal film (HEX film) having a bulklike (A7-like) structure and a film having a black-phosphor-us-like structure (BP film). The HEX film is metallic because of spin-orbit (SO)-split surface-state bands lying inside the projected bulk band gap near the Fermi level. Another SO-split surface state is also observed inside the SO gap. The BP film exhibits a significant reduction in metallicity in contrast to the HEX film. This is related to the formation of a very stable paired-layer structure, the mechanism-of which is similar to that of the stabilization of semiconducting bulk black P. However, unlike bulk black P, a certain extent of metallicity still remains. This slight metallicity can be associated with buckling and strain in the BP film, which is analogous to the fact that shear angle distortion in bulk Bi is responsible for its semimetallicity.
536 _ _ |a Grundlagen für zukünftige Informationstechnologien
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650 _ 7 |a J
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653 2 0 |2 Author
|a surface electronic structure
653 2 0 |2 Author
|a ultrathin film
653 2 0 |2 Author
|a structural transformation
653 2 0 |2 Author
|a scanning tunneling spectroscopy
653 2 0 |2 Author
|a first-principles calculations
653 2 0 |2 Author
|a bismuth
700 1 _ |a Nagaoka, K.
|b 1
|0 P:(DE-HGF)0
700 1 _ |a Nagao, T.
|b 2
|0 P:(DE-HGF)0
700 1 _ |a Bihlmayer, G.
|b 3
|u FZJ
|0 P:(DE-Juel1)130545
700 1 _ |a Koroteev, Y.M.
|b 4
|0 P:(DE-HGF)0
700 1 _ |a Chulkov, E. V.
|b 5
|0 P:(DE-HGF)0
700 1 _ |a Nakayama, T.
|b 6
|0 P:(DE-HGF)0
773 _ _ |a 10.1143/JPSJ.77.014701
|g Vol. 77, p. 014701
|p 014701
|q 77<014701
|0 PERI:(DE-600)2042147-3
|t Journal of the Physical Society of Japan
|v 77
|y 2008
|x 0031-9015
856 7 _ |u http://dx.doi.org/10.1143/JPSJ.77.014701
909 C O |o oai:juser.fz-juelich.de:60668
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|v Grundlagen für zukünftige Informationstechnologien
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914 1 _ |y 2008
915 _ _ |0 StatID:(DE-HGF)0010
|a JCR/ISI refereed
920 1 _ |k CNI
|l Center of Nanoelectronic Systems for Information Technology
|d 14.09.2008
|g CNI
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920 1 _ |k IFF-1
|l Quanten-Theorie der Materialien
|d 31.12.2010
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