EFFECT OF ALIOVALENT-CATION SUBSTITUTION ON THE OXYGEN-ION CONDUCTIVITY OF BI4V2O11

被引：75

作者：

SHARMA, V ^{[1
]}

SHUKLA, AK ^{[1
]}

GOPALAKRISHNAN, J ^{[1
]}

机构：

[1] INDIAN INST SCI,SOLID STATE & STRUCT CHEM UNIT,BANGALORE 560012,KARNATAKA,INDIA

来源：

SOLID STATE IONICS | 1992年 / 58卷 / 3-4期

关键词：

D O I：

10.1016/0167-2738(92)90141-B

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：

Up to 10 atom.% of Li+, Zn2+, Al3+, Ti4+ and Ge4+ readily substitute for vanadium in Bi4V2O11 stabilizing alpha/gamma structures. The gamma-phases are good oxygen-ion conductors, the Ti-substituted gamma-phase, Bi4V1.8Ti0.2O10.9, being the best ionic conductor among all the substituted bismuth vanadates investigated. It is conjectured that a high ionic potential of the dopant cation facilitates oxygen-ion mobility in the disordered phase of the substituted bismuth vanadate.

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页码：359 / 362

页数：4

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