Sol–Gel Synthesis of Rare-Earth and Phosphorus Codoped Monolithic Silica Glasses from a Cosolvent-Free Phase-Separating System Sol--Gel Synthesis of Rare-Earth and Phosphorus Codoped Monolithic Silica Glasses from a Cosolvent-Free Phase-Separating System

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著者

    • Kajihara Koichi Kajihara Koichi
    • Department of Applied Chemistry, Graduate School of Urban Environmental Sciences, Tokyo Metropolitan University, Hachioji, Tokyo 192-0397, Japan
    • Kuwatani Shungo Kuwatani Shungo
    • Department of Applied Chemistry, Graduate School of Urban Environmental Sciences, Tokyo Metropolitan University, Hachioji, Tokyo 192-0397, Japan
    • Kanamura Kiyoshi Kanamura Kiyoshi
    • Department of Applied Chemistry, Graduate School of Urban Environmental Sciences, Tokyo Metropolitan University, Hachioji, Tokyo 192-0397, Japan

抄録

A cosolvent-free sol--gel method to prepare monolithic transparent silica glasses doped by rare-earth ions at high concentrations has been developed. Despite the simple solution composition, the reaction mixture undergoes a macroscopic phase separation in parallel with the gelation, and the resultant macropores make it possible to considerably shorten the processing time by facilitating the drying and sintering of gels. The addition of a small amount of phosphorus significantly enhances the dissolution of rare-earth ions, demonstrating a notable effect of phosphorus on the solvation of rare-earth ions in silica glasses.

収録刊行物

  • Applied physics express

    Applied physics express 5(1), 012601-012601-3, 2012-01-25

    The Japan Society of Applied Physics

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各種コード

  • NII論文ID(NAID)
    10030154752
  • NII書誌ID(NCID)
    AA12295133
  • 本文言語コード
    EN
  • 資料種別
    SHO
  • ISSN
    18820778
  • NDL 記事登録ID
    023386052
  • NDL 請求記号
    Z78-A526
  • データ提供元
    CJP書誌  NDL  JSAP 
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