MgO中の陽イオン拡散のシステマティックス A Systematics of Cationic Diffusion in Single-Crystal MgO

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著者

    • 坂口 勲 SAKAGUCHI Isao
    • 科学技術庁無機材質研究所第4研究グループ National Institute for Research in Inorganic Materials

抄録

Diffusion of cations (self-, impurities) in single-crystal MgO have been studied. The diffusion penetration profiles were obtained with the aid of a secondary ion mass spectrometry (SIMs) . The diffusion profiles contained lattice and dislocation diffusion contributions. The temperature dependence of lattice and dislocation diffusion for 16 species has been determined. The dislocation diffusion coefficients were 4 to 6 orders of magnitude larger than those of lattice diffusion, although the activation energies for lattice and dislocation diffusion on the same element were not so different. A linear correlation between pre-exponential factor and activation energy for lattice and dislocation diffusion has been confirmed. The elements were separated into two trends of lines by the geometrical condition. The slope of these lines on lattice and dislocation diffusion corresponds with that expected from Zener's elastic theory.

収録刊行物

  • 日本結晶学会誌

    日本結晶学会誌 41(5), 293-297, 1999-10-30

    日本結晶学会

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各種コード

  • NII論文ID(NAID)
    10013628788
  • NII書誌ID(NCID)
    AN00188364
  • 本文言語コード
    JPN
  • 資料種別
    ART
  • ISSN
    03694585
  • NDL 記事登録ID
    4894729
  • NDL 雑誌分類
    ZM46(科学技術--地球科学--岩石・鉱物・鉱床)
  • NDL 請求記号
    Z15-138
  • データ提供元
    CJP書誌  NDL  J-STAGE 
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