Thermoelectric properties of the solid solutions BaPb1-xSbxO3 (x=0-0.4)

被引：8

作者：

Yasukawa, M

Kadota, A

Maruta, M

Tanaka, H

Kono, T

Kawakita, H

机构：

[1] Kochi Natl Coll Technol, Dept Mat Sci & Engn, Nankoku, Kochi 7838508, Japan

[2] Kochi Prefectural Ind Technol Ctr, Kochi 7815101, Japan

来源：

SOLID STATE COMMUNICATIONS | 2002年 / 124卷 / 1-2期

关键词：

thermoelectric oxides; superconductors; thermoelectric properties;

D O I：

10.1016/S0038-1098(02)00428-3

中图分类号：

O469 [凝聚态物理学];

学科分类号：

070205 ;

摘要：

Thermoelectric properties of the solid solutions BaPb1-xSbxO3 with x = 0.00-0.40 were investigated in the temperature range 373' - 1073 K. The materials with x = 0.00 - 0.15 showed semi-metallic behavior. The doping with Sb atoms brought about the increase in the Fermi level. For the materials with x = 0.25 and 0.40, the valence band was fully occupied and the conduction band was partially occupied, but the electrical conductivity data suggest that the carriers behave like large-polarons due to the distortion of the PbO6 octahedra. The thermoelectric power factors were estimated to be 1 - 2 x 10(-5) W m(-1) K-2 for x = 0.00 - 0.15. (C) 2002 Elsevier Science Ltd. All rights reserved.

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页码：49 / 52

页数：4

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