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Observation of a van Hove singularity of a surface Fermi arc with prominent coupling to phonons in a Weyl semimetal
https://oist.repo.nii.ac.jp/records/2608
https://oist.repo.nii.ac.jp/records/26086130c2c9-e266-4ee2-95ea-dd14a1251bb1
名前 / ファイル | ライセンス | アクション |
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Wang-2022-Observation of a van Hove singularit (3.3 MB)
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Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2022-03-29 | |||||
タイトル | ||||||
言語 | en | |||||
タイトル | Observation of a van Hove singularity of a surface Fermi arc with prominent coupling to phonons in a Weyl semimetal | |||||
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 | |||||
著者(英) |
Wang, Zhenyu
× Wang, Zhenyu× Huang, Cheng-Yi× Hsu, Chia-Hsiu× Namiki, Hiromasa× Chang, Tay-Rong× Chuang, Feng-Chuan× Lin, Hsin× Sasagawa, Takao× Madhavan, Vidya× Okada, Yoshinori |
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書誌情報 |
en : Physical Review B 巻 105, 号 7, p. 075110, 発行日 2022-02-04 |
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抄録 | ||||||
内容記述タイプ | Other | |||||
内容記述 | A van der Waals coupled Weyl semimetal NbIrTe4 is investigated by combining scanning tunneling microscopy/spectroscopy and first-principles calculations. We observe a sharp peak in the tunneling conductance near the Fermi energy (E-F). Comparison with calculations indicates that the peak originates from a van Hove singularity (vHs) associated with a Lifshitz transition of the surface Fermi-arc state. Interestingly, our tunneling spectroscopy also shows signatures of strong electron-boson coupling. This is potentially due to an anomalously enhanced charge susceptibility coming from the near-E-F vHs formation. | |||||
出版者 | ||||||
出版者 | American Physical Society | |||||
ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 2469-9950 | |||||
ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 2469-9969 | |||||
DOI | ||||||
関連タイプ | isIdenticalTo | |||||
識別子タイプ | DOI | |||||
関連識別子 | info:doi/10.1103/PhysRevB.105.075110 | |||||
権利 | ||||||
権利情報 | © 2022 American Physical Society | |||||
関連サイト | ||||||
識別子タイプ | URI | |||||
関連識別子 | https://journals.aps.org/prb/abstract/10.1103/PhysRevB.105.075110 | |||||
著者版フラグ | ||||||
出版タイプ | VoR | |||||
出版タイプResource | http://purl.org/coar/version/c_970fb48d4fbd8a85 |