PROTON CONDUCTION IN CA-SUBSTITUTED AND SR-SUBSTITUTED LAPO4

被引:161
作者
NORBY, T [1 ]
CHRISTIANSEN, N [1 ]
机构
[1] HALDOR TOPSOE RES LABS,DK-2800 LYNGBY,DENMARK
关键词
PROTON CONDUCTION; LAPO4; CA; AND SR-SUBSTITUTED;
D O I
10.1016/0167-2738(94)00274-V
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
LaPO4 with nominally 5 atom% Ca or Sr was synthesised using co-precipitation, cold-pressed to bars, and sintered at 1300 degrees C. The electrical conductivity in wet air was mainly protonic up to approximately 900 degrees C; it increased with increasing humidity and decreased when protons were replaced by deuterons in situ by equilibrating the samples in air containing D2O. Above 900 degrees C the proton conductivity fell and a native conductivity contribution became dominant.
引用
收藏
页码:240 / 243
页数:4
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