酸化物中の格子欠陥の拡散係数

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書誌事項

タイトル別名
  • Diffusion Coefficients of Point Defects in Oxides
  • サンカブツチュウ ノ コウシ ケッカン ノ カクサン ケイスウ

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抄録

Defect diffusion coefficients Dd were calculated in various oxide systems from the available data of tracer-, self- and chemical diffusion coefficients and ionic conductivities with the aid of the informations of stoichiometric deviation or impurity contents. The essential part of the values thus obtained may be expressed as Dd=10-2±1 exp (-20-30kcal⋅mol-1/RT)cm2⋅s-1 The usefulness of expressing the data in terms of defect diffusion coefficient was discussed as well as the problems associated with the change in its value as the defect concentration increases.

収録刊行物

  • 窯業協會誌

    窯業協會誌 87 (1003), 146-152, 1979

    公益社団法人 日本セラミックス協会

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