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

页码：1239 / 1243

页数：5

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