The Thermopower and Electron Mobility in Monophase Monocrystalline SmS in a Wide Temperature Range
- 作者: Popov V.V.1, Stepanov N.N.1
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隶属关系:
- Ioffe Institute
- 期: 卷 53, 编号 13 (2019)
- 页面: 1845-1847
- 栏目: Thermoelectrics and Their Applications
- URL: https://journal-vniispk.ru/1063-7826/article/view/207478
- DOI: https://doi.org/10.1134/S1063782619130165
- ID: 207478
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详细
Abstract—The results of thermopower studies in the temperature range 50 < T < 325 K of two SmS single crystals are presented. One of them contained a high-pressure (“gold”) phase on the surface and another one was without this phase, which was removed by etching in HCl solution. The features in the temperature dependence of the thermopower of the etched SmS sample were observed, that correlate with the features in the temperature dependence of the local activation energy of conduction electrons. The calculation of the Hall mobility of conduction electrons was carried out and it was shown that it varies slightly in the temperature range 60–300 K due to the presence of two dominant types of electron scattering in SmS—on acoustic phonons and on charged defects.
作者简介
V. Popov
Ioffe Institute
编辑信件的主要联系方式.
Email: 13745pop@mail.ru
俄罗斯联邦, St. Petersburg
N. Stepanov
Ioffe Institute
Email: 13745pop@mail.ru
俄罗斯联邦, St. Petersburg
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