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Photostimulated desorption of Xe from Au(001) surfaces via transient Xe− formation
http://hdl.handle.net/2261/56953
http://hdl.handle.net/2261/56953a427be7b-3a96-41a3-946b-6b64a3841e40
名前 / ファイル | ライセンス | アクション |
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PhysRevB.84.155412.pdf (448.7 kB)
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Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2015-05-28 | |||||
タイトル | ||||||
タイトル | Photostimulated desorption of Xe from Au(001) surfaces via transient Xe− formation | |||||
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 |
Ikeda, Akihiko
× Ikeda, Akihiko× Matsumoto, Masuaki× Ogura, Shohei× Fukutani, Katsuyuki× Okano, Tatsuo |
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著者所属 | ||||||
著者所属 | Institute of Industrial Science, The University of Tokyo | |||||
抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | Photostimulated desorption (PSD) of Xe atoms from the Au(001) surface in thermal and nonthermal regimes was investigated by the time-of-flight measurement at photon energies of 6.4 and 2.3 eV. Xe was desorbed in a thermal way at high laser fluence, which was in good agreement with theoretical simulations. At a low laser fluence, on the other hand, desorption was induced only at a photon energy of 6.4 eV by a nonthermal one-photon process. We argue that the nonthermal PSD occurs via transient formation of Xe− on Au(001). The lifetime of Xe− is estimated to be ∼15 fs with a classical model calculation. Whereas the electron affinity of Xe is negative in the isolated state, it is stabilized by the metal proximity effect. | |||||
書誌情報 |
Physical Review B 巻 84, 号 15, 発行日 2011-10-11 |
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ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 1550-235X | |||||
DOI | ||||||
識別子タイプ | DOI | |||||
関連識別子 | info:doi/10.1103/PhysRevB.84.155412 | |||||
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値 | publisher | |||||
出版者 | ||||||
出版者 | American Physical Society |