The valence band parameters of CoSb3 determined by Shubnikov-de Haas effect

被引：9
|
作者：
Rakoto, H
Respaud, M
Broto, JM
Arushanaov, E
Caillat, T
机构：
[1] INSA, SNCMP, F-31077 Toulouse, France
[2] CSIC, ICMAB, Bellaterra 08193, Spain
[3] Moldavian Acad Sci, Inst Appl Phys, Kishinev 277028, Moldova
[4] CALTECH, Jet Prop Lab, Pasadena, CA 91109 USA
来源：
PHYSICA B | 1999年 / 269卷 / 01期
关键词：
CoSb3; band parameters; Shubnikov-de Haas oscillations;
D O I：
10.1016/S0921-4526(99)00094-0
中图分类号：
O469 [凝聚态物理学];
学科分类号：
070205 ;
摘要：
The results of Shubnikov-de Haas (SdH) oscillation measurements on p-CoSb3 single crystals are presented. The values of the cyclotron effective mass were determined. It was found that the effective mass increases from 0.11 m(0), to 0.15 m(0) with increasing hole concentration, indicating a non-parabolicity of the valence band of CoSb3. Using the two-band Kane model a band-edge effective mass of m(n)/m(0) = 0.050 +/- 0.002 and an energy gap E-g = 35 +/- 2 meV were estimated. (C) 1999 Elsevier Science B.V. All rights reserved.
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页码：13 / 16
页数：4
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