ELECTRICAL-PROPERTIES IN THE ZRO2-CEO2-Y2O3 SYSTEM

被引：35
|
作者：
ARASHI, H
NAITO, H
NAKATA, M
机构：
[1] Faculty of Engineering, Tohoku University Aoba, Sendai, 980, Aramaki
来源：
SOLID STATE IONICS | 1995年 / 76卷 / 3-4期
关键词：
MIXED CONDUCTOR; ELECTRICAL PROPERTY; CERIUM-YSZ; IONIC TRANSPORT NUMBER;
D O I：
10.1016/0167-2738(94)00279-2
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：
The ionic and electronic conductivities in ZrO2-CeO2-Y2O3 mixed conductors were successfully measured by using the electron blocking method. The observed oxygen partial pressure dependence of the ionic conductivity was well explained by the behavior of the oxygen vacancies produced from the reduction of Ce ions at low oxygen partial pressures. The observed oxygen partial pressure dependence of the electronic conductivity was well explained by the electron hopping process between Ce3+ and Ce4+ ions in the reducing conditions.
引用
收藏
页码：315 / 319
页数：5
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