Possible Sites for Hydrogen in a New Hydrous Magnesium Silicate Phase G Synthesized at 22 GPa and 1050°C

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著者

    • Kudoh Y. KUDOH Y.
    • Institute of Mineralogy, Petrology, and Economic Geology, Faculty of Science, Tohoku University
    • Nagase T. NAGASE T.
    • Institute of Mineralogy, Petrology, and Economic Geology, Faculty of Science, Tohoku University
    • OHTANI E.
    • Institute of Mineralogy, Petrology, and Economic Geology, Faculty of Science, Tohoku University
    • SASAKI S.
    • Materials and Structures Laboratory, Tokyo Institute of Technology
    • TANAKA M.
    • Photon Factory, National Laboratory for High Energy Physics

抄録

A single crystal ofphase G, Mg<SUB>1. 24</SUB>Si<SUB>1. 76</SUB>H<SUB>2. 48</SUB>O<SUB>6</SUB>was analized with synchrotron radiation. The structure ofphase G has close structural similarity to that ofstishovite, SiO<SUB>2</SUB>. The valence sum ofthe O site is 1. 52, indicating the existenceofhydrogen bonding as anion chemistry for oxygen being OH<SUB>1/2</SUB>. The possible sites for hydrogen are along the O-O edge of vacant tetrahedrabetween corners of MgO<SUB>6</SUB> octahedrawhich are separated by a distance of 2. 654 (6) Å.

収録刊行物

  • 高圧力の科学と技術 = The Review of high pressure science and technology  

    高圧力の科学と技術 = The Review of high pressure science and technology 7, 134-136, 1998 

    The Japan Society of High Pressure Science and Technology

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各種コード

  • NII論文ID(NAID)
    10002689067
  • NII書誌ID(NCID)
    AN10452913
  • 本文言語コード
    ENG
  • 資料種別
    ART
  • ISSN
    0917639X
  • NDL 記事登録ID
    4493858
  • NDL 雑誌分類
    ZP1(科学技術--化学・化学工業)
  • NDL 請求記号
    Z17-1589
  • データ提供元
    CJP書誌  NDL  J-STAGE 
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