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Nonlinear electron dynamics of gold ultrathin films induced by intense terahertz waves
http://hdl.handle.net/10131/8986
http://hdl.handle.net/10131/898698f7ee7f-ea4c-4cb6-9661-08389347d569
名前 / ファイル | ライセンス | アクション |
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APL105-241107-2014.pdf (1.0 MB)
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Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2015-02-27 | |||||
タイトル | ||||||
タイトル | Nonlinear electron dynamics of gold ultrathin films induced by intense terahertz waves | |||||
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 |
Minami, Yasuo
× Minami, Yasuo× Takeda, Jun× Dao, Thang Duy× Nagao, Tadaaki× Kitajima, Masahiro× Katayama, Ikufumi |
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著者(ヨミ) | ||||||
識別子Scheme | WEKO | |||||
識別子 | 19152 | |||||
姓名 | ミナミ, ヤスオ | |||||
著者(ヨミ) | ||||||
識別子Scheme | WEKO | |||||
識別子 | 9 | |||||
識別子Scheme | e-Rad | |||||
識別子URI | https://kaken.nii.ac.jp/ja/search/?qm=60202165 | |||||
識別子 | 60202165 | |||||
姓名 | タケダ, ジュン | |||||
著者(ヨミ) | ||||||
識別子Scheme | WEKO | |||||
識別子 | 19154 | |||||
姓名 | ナガオ, タダアキ | |||||
著者(ヨミ) | ||||||
識別子Scheme | WEKO | |||||
識別子 | 19155 | |||||
姓名 | キタジマ, マサヒロ | |||||
著者(ヨミ) | ||||||
識別子Scheme | WEKO | |||||
識別子 | 19618 | |||||
識別子Scheme | e-Rad | |||||
識別子URI | https://kaken.nii.ac.jp/ja/search/?qm=80432532 | |||||
識別子 | 80432532 | |||||
姓名 | カタヤマ, イクフミ | |||||
著者別名 | ||||||
識別子Scheme | WEKO | |||||
識別子 | 9 | |||||
識別子Scheme | e-Rad | |||||
識別子URI | https://kaken.nii.ac.jp/ja/search/?qm=60202165 | |||||
識別子 | 60202165 | |||||
姓名 | 武田, 淳 | |||||
著者所属 | ||||||
Department of Physics, Graduate School of Engineering, Yokohama National University | ||||||
著者所属 | ||||||
Department of Physics, Graduate School of Engineering, Yokohama National University / International Center for Materials Nanoarchitectonics, National Institute for Materials Science | ||||||
著者所属 | ||||||
International Center for Materials Nanoarchitectonics, National Institute for Materials Science / JST-CREST | ||||||
著者所属 | ||||||
International Center for Materials Nanoarchitectonics, National Institute for Materials Science | ||||||
著者所属 | ||||||
Department of Physics, Graduate School of Engineering, Yokohama National University / JST-CREST / LxRay Co. Ltd. / Department of Applied Physics, National Defense Academy | ||||||
著者所属 | ||||||
Department of Physics, Graduate School of Engineering, Yokohama National University | ||||||
抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | Linear and nonlinear electron dynamics of polycrystalline gold (Au) ultrathin films with thicknesses ranging from 1.4 to 5.8 nm were investigated via transmittance terahertz (THz) spectroscopy with intense electric field transients. We prepared ultrathin films with low surface roughness formed on a Si-(7×7) reconstructed surface, leading to the observation of monotonic decrease in THz transmittance with respect to film thickness. Furthermore, at all tested thicknesses, the transmittance decreased nonlinearly by 10%-30% with the application if high-intensity THz electric fields. Based on a Drude-model analysis, we found a significant decrease in the damping constant induced by the THz electric field, indicating that electrons are driven beyond the polycrystalline grain boundaries in Au thin films, and consequently leading to the suppression of the electron-boundary scattering rate. | |||||
書誌情報 |
Applied physics letters 巻 105, 号 24, 発行日 2014-12-15 |
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ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 00036951 | |||||
書誌レコードID | ||||||
収録物識別子タイプ | NCID | |||||
収録物識別子 | AA00543431 | |||||
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 |