Evidence of O-H Bond in the Bulk State of Protonic Conductor Y-Doped SrCeO3 by Soft-X-Ray Spectroscopy

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著者

    • Sata Noriko [他] Sata Noriko
    • Department of Machine Intelligence and Systems Engineering, Tohoku University, 1 Aoba, Aramaki, Aoba-ku, Sendai 980-8579, Japan
    • Shin Shik
    • Institute for Solid State Physics, University of Tokyo, 5-1-5 Kashiwanoha, Kashiwa, Chiba 277-8581, Japan
    • Tsukamoto Takeyo
    • Department of Applied Physics, Tokyo University of Science, 1-3 Kagurazaka, Shinjuku-ku, Tokyo 162-8601, Japan

抄録

The electronic structure in the band-gap region of protonic conductor Y-doped SrCeO3 has been investigated by soft-X-ray emission spectroscopy (SXES) and X-ray absorpiton spectroscopy (XAS), which reflect the electronic structure in the bulk state. The O $1s$ SXES spectrum exhibits three O $2p$ states, which correspond to the top of the valence band, near the Fermi level, and the botttom of the conduction band. The O $1s$ XAS spectrum exhibits the existence of hydrogen structures whose energy positions match with those of the three O $2p$ states. These findings are direct evidence of the O-H bond in the bulk state.

収録刊行物

  • Japanese journal of applied physics. Pt. 2, Letters

    Japanese journal of applied physics. Pt. 2, Letters 42(10B), L1265-L1267, 2003-10-15

    Japan Society of Applied Physics

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各種コード

  • NII論文ID(NAID)
    10012450360
  • NII書誌ID(NCID)
    AA10650595
  • 本文言語コード
    EN
  • 資料種別
    ART
  • ISSN
    0021-4922
  • NDL 記事登録ID
    6731129
  • NDL 雑誌分類
    ZM35(科学技術--物理学)
  • NDL 請求記号
    Z54-J337
  • データ提供元
    CJP書誌  NDL  JSAP 
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