Investigation of the transport properties of cation-substituted solid solutions Yb x Mn1-x S

被引：8
|
作者：
Aplesnin, S. S. [1 ,2 ]
Romanova, O. B. [1 ]
Khar'kov, A. M. [2 ]
Galyas, A. I. [3 ]
机构：
[1] Russian Acad Sci, LV Kirensky Phys Inst, Siberian Branch, Krasnoyarsk 660036, Russia
[2] Reshetnev Siberian State Aerosp Univ, Krasnoyarsk 660014, Russia
[3] Natl Acad Sci Belarus, Sci Pract Mat Res Ctr, Minsk 220072, BELARUS
来源：
PHYSICS OF THE SOLID STATE | 2015年 / 57卷 / 05期
基金：
俄罗斯基础研究基金会;
关键词：
ELECTRICAL-PROPERTIES; TRANSITION;
D O I：
10.1134/S1063783415050029
中图分类号：
O469 [凝聚态物理学];
学科分类号：
070205 ;
摘要：
The electrical properties and thermopower of solid solutions Yb (x) Mn1 - x S with substitution concentrations 0 < x a parts per thousand currency sign 0.2 have been studied in the temperature range of 77-1050 K. It has been found that the electrical conductivity has a semiconducting character, and the thermopower changes its sign from positive to negative as the substitution concentration in Yb (x) Mn1 - x S increases. It has been established that the activation energy decreases with increasing ytterbium concentration. The model of impurity donor 4f states satisfactorily agrees with the data on the electrical resistivity and the thermopower.
引用
收藏
页码：886 / 890
页数：5
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