GRAIN-BOUNDARY EFFECT IN (BI2O3)(0.75)(WO3)(0.25) AND (BI2O3)(0.7)(SRO)(0.3) SOLID ELECTROLYTES

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The effect of grain boundaries on electrical conductivity was investigated in sintered (Bi2O3)(0.75)(WO3)(0.25) and (Bi2O3)(0.7)(SrO)(0.3) solid electrolytes. Electrical conductivities of the specimens with different grain sizes were measured using ac impedance analysis. The grain conductivity and the grain boundary conductivity were not separated in the complex impedance plane, and the specimens with large grain size showed almost the same conductivities as the specimens with small grain size, In the Bi2O3 system, it is thought that the electrical properties of the grain boundary are not different from those of the grains regardless of their crystal structures.
Publisher
ELSEVIER SCIENCE BV
Issue Date
1995-02
Language
English
Article Type
Article
Keywords

STABILIZED BISMUTH OXIDE; OXYGEN ION CONDUCTION; SINTERED OXIDES; PHASE-STABILITY; SYSTEM; BI2O3

Citation

SOLID STATE IONICS, v.76, no.1-2, pp.1 - 4

ISSN
0167-2738
URI
http://hdl.handle.net/10203/77993
Appears in Collection
MS-Journal Papers(저널논문)
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