Electrical conductivity in the (Bi_<0.8-x>Ln_xEr_<0.2>)_2O_3 (Ln=La, Pr, Nd) systems

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概要

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• In order to improve the electrical properties of stabilized Bi2O3 such as oxide-ion conductivity, conductivity degradation by annealing and reduction resistivity, the solid solution systems, (Bi0.8-xLnxEr0.2)2O3 (0.0 ≦ x ≦ 0.20) (Ln = La, Pr, Nd) were investigated. Though the electrical conductivity of the three solid-solution systems decreased with increasing x, the La-doped system showed the highest conductivity among these systems. In the (Bi0.8-xLaxEr0.2)2O3 system, (Bi07La0.1Er0.2)2O3 showed the best electrical properties, i.e., the high oxide-ion conductivity, the small degradation by aging and the high resistivity for reduction down to ∼10-14 Pa of oxygen partial pressure.

• 公益社団法人 日本セラミックス協会の論文
• 2009-08-01

著者

• Takayama Toshio

  Department Of Applied Chemistry Faclty Of Engineering Kanagawa University

• Yamamura Hiroshi

  Department Of Material And Life Chemistry Faculty Of Engineering Kanagawa University

• HIGASA Mitsuo

  Department of Material and Life Chemistry, Faculty of Engineering, Kanagawa University

• YAGI Yuhji

  Department of Material and Life Chemistry, Faculty of Engineering, Kanagawa University

• Yagi Yuhji

  Department Of Material And Life Chemistry Faculty Of Engineering Kanagawa University

• Higasa Mitsuo

  Department Of Material And Life Chemistry Faculty Of Engineering Kanagawa University

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