Preparation, characterization and oxide ion conductivity in U-substituted Bi4V2O11

被引：33

作者：

Thery, O

Vannier, RN

Dion, C

Abraham, F

机构：

来源：

SOLID STATE IONICS | 1996年 / 90卷 / 1-4期

关键词：

bismuth uranium oxide; bismuth vanadium oxide; BIMEVOX; oxide anion conductors;

D O I：

10.1016/S0167-2738(96)00359-1

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

A Bi2V1-x-yUxBiyO5.5+0.5x-y solid solution derived from Bi4V2O11 has been prepared and characterized with x up to 0.125 for y = 0. Partial substitution of U6+ for V5+ in Bi4V2O11 leads to the stabilization at room temperature of the high-oxide ion conducting gamma-phase, in contrast with other M(6+) dopants which stabilize the beta-phase. The lower conductivity in U substituted system compared with BICUVOX.10 is attributed to its higher activation energy. Conductivity values and activation energies of the U substituted phases compare well with Bi2UO6.

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页码：105 / 110

页数：6

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