| ID | 53418 |
| FullText URL | |
| Author |
Sonoyama, Junki
Sunagawa, Masanori
Ono, Kanta
Kumigashira, Hiroshi
Muro, Takayuki
Nagao, Masanori
Watauchi, Satoshi
Tanaka, Isao
Okazaki, Hiroyuki
Takano, Yoshihiko
Miura, Osuke
Mizuguchi, Yoshikazu
Usui, Hidetomo
Suzuki, Katsuhiro
Kuroki, Kazuhiko
Muraoka, Yuji
Kaken ID
researchmap
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| Abstract | The electronic structure of nearly optimally doped novel superconductor LaO1−xFxBiS2(x = 0.46) was investigated using angle-resolved photoemission spectroscopy (ARPES). We clearly observed band dispersions from 2 to 6 eV binding energy and near the Fermi level (EF), which are well reproduced by first-principles calculations when the spin-orbit coupling is taken into account. The ARPES intensity map near EF shows a squarelike distribution around the (Z) point in addition to electronlike Fermi-surface (FS) sheets around the X(R) point, indicating that FS of LaO0.54F0.46BiS2 is in close proximity to the theoretically predicted topological change.
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| Published Date | 2014-12-22
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| Publication Title |
Physical Review B
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| Volume | volume90
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| Issue | issue22
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| Publisher | The American Physical Society
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| ISSN | 1098-0121
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| Content Type |
Journal Article
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| Official Url | http://journals.aps.org/prb/abstract/10.1103/PhysRevB.90.220512
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| language |
English
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| Copyright Holders | ©2014 American Physical Society
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| File Version | publisher
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| Refereed |
True
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| DOI | |
| Web of Science KeyUT |
