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Operation of Quantum Plasmonic Metasurfaces Using Electron Transport through Subnanometer Gaps
http://hdl.handle.net/2241/00161623
http://hdl.handle.net/2241/00161623e04b6e02-692c-46ec-8003-158dc1e478df
名前 / ファイル | ライセンス | アクション |
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ACSphotonics_6-10 (956.2 kB)
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Item type | Journal Article(1) | |||||
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公開日 | 2020-10-23 | |||||
タイトル | ||||||
言語 | en | |||||
タイトル | Operation of Quantum Plasmonic Metasurfaces Using Electron Transport through Subnanometer Gaps | |||||
言語 | ||||||
言語 | eng | |||||
資源タイプ | ||||||
資源 | http://purl.org/coar/resource_type/c_6501 | |||||
タイプ | journal article | |||||
著者 |
矢花, 一浩
× 矢花, 一浩× Takeuchi, Takashi× Noda, Masashi× Yabana, Kazuhiro |
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抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | Herein, we investigate the optical properties of quantum plasmonic metasurfaces composed of metallic nano-objects with subnanometer gaps according to the time-dependent density functional theory, a fully quantum mechanical approach. When the quantum and classical descriptions are compared, the transmission, reflection, and absorption rates of the metasurface exhibit substantial differences at shorter gap distances. The differences are caused by electron transport through the gaps of the nano-objects. The electron transport has profound influences for gap distances of ≲0.2 nm; that is, approximately equal to half of the distance found in conventional gap plasmonics in isolated systems, such as metallic nanodimers. Furthermore, it is shown that the electron transport makes the plasmon features of the metasurface washed out and produces broad spectral structures in the optical responses. In particular, the reflection response exhibits rapid attenuation as the gap distance decreases, while the absorption response extends over a wide spectral range. | |||||
書誌情報 |
en : ACS photonics 巻 6, 号 10, p. 2517-2522, 発行日 2019-10 |
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ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 2330-4022 | |||||
書誌レコードID | ||||||
収録物識別子タイプ | NCID | |||||
収録物識別子 | AA12739419 | |||||
DOI | ||||||
識別子タイプ | DOI | |||||
関連識別子 | 10.1021/acsphotonics.9b00889 | |||||
権利 | ||||||
権利情報 | © 2019 American Chemical Society | |||||
権利 | ||||||
権利情報 | This document is the Accepted Manuscript version of a Published Work that appeared in final form in ACS Photonics, copyright © American Chemical Society after peer review and technical editing by the publisher. To access the final edited and published work see https://pubs.acs.org/doi/10.1021/acsphotonics.9b00889. | |||||
著者版フラグ | ||||||
値 | author | |||||
出版者 | ||||||
出版者 | American Chemical Society |