Influence of silver on the galvanomagnetic properties and energy spectrum of mixed (Bi1− xSbx)2Te3 crystals

被引：0
|
作者：
V. A. Kul’bachinskii
A. Yu. Kaminskii
V. G. Kytin
P. Lošt’ak
Č. Drašar
A. de Visser
机构：
[1] Moscow State University,Van der Waals Institute
[2] Pardubice University,undefined
[3] University of Amsterdam,undefined
来源：
Journal of Experimental and Theoretical Physics | 2000年 / 90卷
关键词：
Spectroscopy; Magnetic Field; Anisotropy; State Physics; Field Theory;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
An investigation is made of the temperature dependences of the resistivity in the range 4.2–300 K, the Hall effect, and the Shubnikov-de Haas effect in magnetic fields up to 40 T in (Bi1− xSbx)2Te3Agy single crystals (0 ≤ x ≤ 0.75). Doping (Bi1− xSbx)2Te3 crystals with silver showed that in Sb2Te3 and (Bi1− xSbx)2Te3 crystals unlike Bi2Te3 silver exhibits acceptor properties. The angular and concentration dependences of the Shubnikov-de Haas effect were studied in (Bi1− xSbx)2Te3Agy. It was established that the anisotropy of the ellipsoids of the upper valence band in Bi0.5Sb1.5Te3 remains unchanged as a result of silver doping.
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页码：1081 / 1088
页数：7
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