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Fano resonance of optical phonons in a multilayer graphene stack
http://hdl.handle.net/10131/00014745
http://hdl.handle.net/10131/00014745833f55bd-0441-4037-8bc5-e7122029db65
名前 / ファイル | ライセンス | アクション |
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Manuscript_katayama.pdf (1.4 MB)
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Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2022-11-30 | |||||
タイトル | ||||||
タイトル | Fano resonance of optical phonons in a multilayer graphene stack | |||||
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 |
Masahiro, Kitajima
× Masahiro, Kitajima× Ikufumi, Katayama× Ørjan, Sele Handegård× Tadaaki, Nagao× Shohei, Chiashi× Shigeo, Maruyama× Jun, Takeda |
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著者所属 | ||||||
International Center for Materials Nanoarchitectonics, National Institute for Materials Science (NIMS) & Department of Physics, Faculty of Engineering Science, Yokohama National University & LxRay co. ltd. | ||||||
著者所属 | ||||||
Department of Physics, Faculty of Engineering Science, Yokohama National University | ||||||
著者所属 | ||||||
International Center for Materials Nanoarchitectonics, National Institute for Materials Science (NIMS) & Department of Condensed Matter Physics, Graduate School of Science, Hokkaido University | ||||||
著者所属 | ||||||
International Center for Materials Nanoarchitectonics, National Institute for Materials Science (NIMS) & Department of Condensed Matter Physics, Graduate School of Science, Hokkaido University | ||||||
著者所属 | ||||||
Department of Mechanical Engineering, The University of Tokyo | ||||||
著者所属 | ||||||
Department of Mechanical Engineering, The University of Tokyo | ||||||
著者所属 | ||||||
Department of Physics, Faculty of Engineering Science, Yokohama National University | ||||||
抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | We studied Fano interference between the Raman spectrum of G-band phonons and electron continuum in a multilayer graphene stack. The thickness and power dependencies of the Fano interference coefficient ∣1/q∣ in the G-mode, where q is the Fano asymmetry parameter, were spatially visualized and analyzed using the Gaussian-convoluted Breit–Wigner–Fano function. The estimated ∣1/q∣ decreases with an increase in the layer number and laser power in the low-power region at least for monolayer, bilayer, and trilayer graphene. In the higher-power region, ∣1/q∣ increases with power only for monolayer graphene. The observed behaviors of ∣1/q∣ reflect the phase difference of Raman signals from the electron continuum and G-band and possibly originate from changes in the electronic relaxation time and the Fermi level of graphene owing to the laser heating of the sample. | |||||
書誌情報 |
Japanese Journal of Applied Physics 巻 60, 発行日 2021-11-30 |
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ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 13474065 | |||||
書誌レコードID | ||||||
収録物識別子タイプ | NCID | |||||
収録物識別子 | AA12295836 | |||||
DOI | ||||||
関連タイプ | isVersionOf | |||||
識別子タイプ | DOI | |||||
関連識別子 | info:doi/10.35848/1347-4065/ac2c29 | |||||
著者版フラグ | ||||||
出版タイプ | AM | |||||
出版タイプResource | http://purl.org/coar/version/c_ab4af688f83e57aa | |||||
出版者 | ||||||
出版者 | The Japan Society of Applied Physics | |||||
出版者 | ||||||
出版者 | IOP Science | |||||
関係URI | ||||||
識別子タイプ | DOI | |||||
関連識別子 | https://doi.org/10.35848/1347-4065/ac2c29 | |||||
関連名称 | https://doi.org/10.35848/1347-4065/ac2c29 |