THE ELECTROLYTIC PROPERTIES OF LAYO3 AND LAALO3 DOPED WITH ALKALINE-EARTH OXIDES

被引:43
作者
ALCOCK, CB
FERGUS, JW
WANG, L
机构
[1] Center for Sensor Materials, University of Notre Dame, Notre Dame
关键词
D O I
10.1016/0167-2738(92)90211-7
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 electrolytic properties of two perovskite oxides, LaYO3 and LaAlO3, doped with alkaline-earth cations have been studied. Conductivity measurements show that doped-LaYO3 is a p-type semiconductor at high oxygen partial pressures, but becomes a pure oxide-ion conductor at low oxygen partial pressures. EMF measurements of oxygen concentration cells confirm that both doped LaAlO3 and doped LaYO3 are pure oxide-ion conductors at low oxygen pressures.
引用
收藏
页码:291 / 295
页数:5
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