Electrical and Galvanomagnetic Properties of Extruded Samples of Bi85Sb15 Solid Solutions with Pb and Te Impurities

被引：4
|
作者：
Tagiev, M. M. [1 ]
Abdinova, G. D. [2 ]
机构：
[1] Azerbaijan State Univ Econ, Baku, Azerbaijan
[2] Natl Acad Sci Azerbaijan, Inst Phys, Baku, Azerbaijan
来源：
RUSSIAN PHYSICS JOURNAL | 2019年 / 61卷 / 11期
关键词：
Seebeck coefficient; electrical conductivity; Hall coefficient; electrical properties; galvanomagnetic properties; ANISOTROPY;
D O I：
10.1007/s11182-019-01647-6
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
The effect of tellurium impurities on the electrical conductivity (sigma), Seebeck coefficient (), and Hall coefficient R of extruded Bi85Sb15 + 0.001 at.% Pb is studied in the temperature range 77-300 K. It is found that doping with tellurium impurities up to 0.001 at. % compensating acceptor Pb atoms leads to a strong decrease in the electron density and, consequently, to an increase in sigma and significant decrease in the values of and R. The materials obtained can be used as the n-branch of thermoelements operating at temperatures of similar to 77 K.
引用
收藏
页码：2135 / 2138
页数：4
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