Thermopower of a Two-Dimensional Semimetal in a HgTe Quantum Well

被引：9
|
作者：
Gusev, G. M. [1 ]
Olshanetsky, E. B. [2 ]
Kvon, Z. D. [2 ,3 ]
Magarill, L., I [2 ,3 ]
Entin, M., V [2 ]
Levin, A. [1 ]
Mikhailov, N. N. [2 ]
机构：
[1] Univ Sao Paulo, Inst Fis, BR-13596017 Sao Paulo, Brazil
[2] Russian Acad Sci, Rzhanov Inst Semicond Phys, Siberian Branch, Novosibirsk 630090, Russia
[3] Novosibirsk State Univ, Novosibirsk 630090, Russia
来源：
JETP LETTERS | 2018年 / 107卷 / 12期
基金：
俄罗斯科学基金会; 俄罗斯基础研究基金会;
关键词：
D O I：
10.1134/S0021364018120081
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
The thermopower in a two-dimensional semimetal existing in HgTe quantum wells 18-21 nm thick has been studied experimentally and theoretically for the first time. It has been found theoretically and experimentally that the thermopower has two components-diffusion and phonon-drag-and that the second component is several times larger than the first. It has been concluded that the electron-hole scattering plays an important role in both mechanisms of the thermopower.
引用
收藏
页码：789 / 793
页数：5
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