Electrical and thermoelectric properties of CuInTe2 in the solid and liquid phases

被引：5
|
作者：
Mousa, NH
ElBahay, MM
Abdelghany, A
AbouElEla, AH
机构：
[1] Physics Department, Faculty of Science, Al-Azhar University for Girls, Nasr City, Cairo
来源：
PHYSICS AND CHEMISTRY OF LIQUIDS | 1996年 / 33卷 / 02期
关键词：
electrical conductivity; thermo electric power; energy gap;
D O I：
10.1080/00319109608030550
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：
Measurements of the electrical conductivity and thermoelectric power of CuInTe2 in the temperature range from 400 degrees C to 970 degrees C shows that the thermoelectric power changes sign from positive in the solid state to negative in the liquid state above its melting point. The experimental data were explained on the basis of a model developed for the density of states and electrical transport in solid amorphous semiconductors [1]. The activation energy from electrical conductivity was found to be 0.31 ev for the solid and 0.79 ev for the liquid and the coefficient of the linear decrease of the energy gap with temperature was found to be 1.18 x 10(-4) ev/degrees K.
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页码：113 / 120
页数：8
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