PREPARATION AND CHARACTERIZATION OF LANTHANUM DOPED BASNO3

被引：43
|
作者：
TRARI, M [1 ]
DOUMERC, JP [1 ]
DORDOR, P [1 ]
POUCHARD, M [1 ]
BEHR, G [1 ]
KRABBES, G [1 ]
机构：
[1] ZENT INST FESTKORPERPHYS & WERKSTOFFORSCH,D-01171 DRESDEN,GERMANY
来源：
JOURNAL OF PHYSICS AND CHEMISTRY OF SOLIDS | 1994年 / 55卷 / 11期
关键词：
OXIDES; ELECTRICAL CONDUCTIVITY; ELECTRICAL PROPERTIES; TRANSPORT PROPERTIES;
D O I：
10.1016/0022-3697(94)90205-4
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Lanthanum has been substituted for barium in the perovskite type Ba1-xLaxSnO3 solid solutions. The substitution rate is restricted to a small range of x-values (0 less than or equal to x less than or equal to 0.02). The temperature dependence of the electrical resistivity and of the thermoelectric power reveals a scattering of carriers by disorder in metallic type samples (x greater than or equal to 0.01) and a hopping mechanism in non-metallic ones where the localization seems to be of Anderson type.
引用
收藏
页码：1239 / 1243
页数：5
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