Preparation and transport properties of Li-doped NiO and (Li + Ca)-doped NiO oxides

被引：0
|
作者：
Wu, J
Nan, J
Nan, CW [1 ]
Deng, Y
Lin, Y
Zhao, S
机构：
[1] Tsing Hua Univ, Dept Mat Sci & Engn, Beijing 100084, Peoples R China
[2] Jiamushi Univ, Sch Mat Engn, Jiamushi 154007, Peoples R China
来源：
PHYSICA STATUS SOLIDI A-APPLIED RESEARCH | 2002年 / 193卷 / 01期
关键词：
D O I：
10.1002/1521-396X(200209)193:1<78::AID-PSSA78>3.0.CO;2-8
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The transport properties of Li-doped NiO and (Li + Ca)-doped NiO were investigated in the high temperature region up to 1073 K. All the oxide samples were prepared by a sol-gel method followed by a sintering procedure. The wet-chemical processing is efficient to prepare oxide ceramics due to shortening of the overall preparation time period. The electrical conductivity and Seebeck coefficients of the samples were measured from 300 to 1073 K. A semiconductor-metal transition was observed in the samples. The Li and Ca dopants have a remarkable effect on the transport properties of the oxides.
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页码：78 / 85
页数：8
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