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PHASE COMPOSITION AND IONIC CONDUCTANCE IN BaF2-BiF3 SYSTEM

J. M. RéAU TIAN SHUN-BAO P. HAGENMULLER

PHASE COMPOSITION AND IONIC CONDUCTANCE IN BaF2-BiF3 SYSTEM

J. M. RéAU, TIAN SHUN-BAO, P. HAGENMULLER
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  • Received Date:  05 June 1984
  • Published Online:  31 March 2005

PHASE COMPOSITION AND IONIC CONDUCTANCE IN BaF2-BiF3 SYSTEM

  • 1. (1)法国科学研究中心固体化学实验室; (2)中国科学院上海硅酸盐研究所

Abstract: BaF2-BiF3 system has been studied by means of solid state reaction, X-ray powder diffraction technique and complex impedance measurement.We found two kinc's of Ba1xBixF2+x solid solution: fluorite-type (0s≈0.5(141/2)aF,cs≈2(31/2)aF). The crystallographic and electrical properties of the two solid solutions have been investigated and discussed.New F- ionic conductors Bi1-yBayF3-y (0.05≤r≤0.17) (y = 1-x) with tysonite-type structure have good electrical performances. This may be due to the higher polarizability.

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