Study of α-Sexithienyl Thin Film by Polarized Near Edge X-ray Absorption Fine Structure
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概要
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An ultrathin α-Sexithienyl (6T) film prepared by an organic molecular beam deposition method on a silver (Ag) film was studied by polarized near edge X-ray absorption fine structure (NEXAFS) spectroscopy using synchrotron radiation and IR-reflection absorption spectroscopy. The carbon K-edge NEXAFS spectrum of 6T was similar to those reported for poly-(3-methylthienylene) and thiophene. Polarized NEXAFS spectra of 6T exhibit strong angular dependence of 1 s→π* resonance intensity, showing that 6T molecules in the film deposited on the Ag film at room temperature had a highly oriented structure. To obtain quantitative information about molecular orientation, this dependence is analyzed by a comparison with theoretical calculation, indicating that the molecular axis is inclined by about 71° to the substrate surface. This angle is almost the same as that reported for 6T film on quartz.
- 1996-05-15
著者
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Araki Tohru
Department Of Chemistry Faculty Of Science Saitama University
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Ouchi Yukio
Department Of Chemistry Graduate School Of Science Nagoya University
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Hamano Kouji
Advanced Technology R&d Center Mitsubishi Electric Corp.
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Ogama Tetsuo
Advanced Technology R&d Center Mitsubishi Electric Corp.
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Narioka Satoru
Department Of Chemistry Faculty Of Science Nagoya University
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Nakahara Hiroo
Department Of Chemistry Faculty Of Science Saitama University
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Tanimura Sachiko
Advanced Technology R&d Center Mitsubishi Electric Corp.
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Kurata Tetsuyuki
Advanced Technology R & D Center Mitsubishi Electric Corporation
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Okajima Toshihiro
Advanced Technology R&d Center Mitsubishi Electric Corporation:(present Address)jasri
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Ishii Hisao
Department Of Chemistry Graduate School Of Science Nagoya University
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Seki Kazuhiko
Department Of Chemistry Nagoya University
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Ogama Tetsuo
Advanced Technology R&D Center, Mitsubishi Electric Corp., 1-1 Tsukaguchi-Honmachi 8-chome,
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Koezuka Hiroshi
Advanced Technology R&D Center, Mitsubishi Electric Corp., 1-1 Tsukaguchi-Honmachi 8-chome,
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Uehara Yasushi
Advanced Technology R&D Center, Mitsubishi Electric Corp., 1-1 Tsukaguchi-Honmachi 8-chome,
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Ouchi Yukio
Department of Chemistry, Faculty of Science, Nagoya University, Furo-cho, Chikusa-ku, Nagoya, Aichi 464-01, Japan
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Seki Kazuhiko
Department of Chemistry, Faculty of Science, Nagoya University, Furo-cho, Chikusa-ku, Nagoya, Aichi 464-01, Japan
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Hamano Kouji
Advanced Technology R&D Center, Mitsubishi Electric Corp., 1-1 Tsukaguchi-Honmachi 8-chome,
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Narioka Satoru
Department of Chemistry, Faculty of Science, Nagoya University, Furo-cho, Chikusa-ku, Nagoya, Aichi 464-01, Japan
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Okajima Toshihiro
Advanced Technology R&D Center, Mitsubishi Electric Corp., 1-1 Tsukaguchi-Honmachi 8-chome,
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Ishii Hisao
Department of Chemistry, Faculty of Science, Nagoya University, Furo-cho, Chikusa-ku, Nagoya, Aichi 464-01, Japan
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Kurata Tetsuyuki
Advanced Technology R&D Center, Mitsubishi Electric Corp., 1-1 Tsukaguchi-Honmachi 8-chome,
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