Classical Magnetoresistance of a Two-Component System Induced by Thermoelectric Effects

被引：14

作者：

Alekseev, P. S. ^{[1
]}

Gornyi, I. V. ^{[1
,2
,3
]}

Dmitriev, A. P. ^{[1
]}

Kachorovskii, V. Yu. ^{[1
]}

Semina, M. A. ^{[1
]}

机构：

[1] Russian Acad Sci, Ioffe Inst, St Petersburg 194021, Russia

[2] Karlsruhe Inst Technol, Inst Nanotechnol, D-76021 Karlsruhe, Germany

[3] Karlsruhe Inst Technol, Inst Theorie Kondensierten Mat, D-76128 Karlsruhe, Germany

来源：

SEMICONDUCTORS | 2017年 / 51卷 / 06期

基金：

俄罗斯基础研究基金会;

关键词：

LINEAR MAGNETORESISTANCE; TOPOLOGICAL INSULATORS; GRAPHENE; SCATTERING;

D O I：

10.1134/S1063782617060033

中图分类号：

O469 [凝聚态物理学];

学科分类号：

070205 ;

摘要：

Magnetotransport in a two-dimensional two-component system consisting of electrons and holes with the same concentrations is studied. Balance equations to describe charge carrier and heat transfer are derived from the classical kinetic equation. The charge-carrier density and temperature distributions and electric-current densities are calculated by solving the balance equations for a long strip sample. In a sufficiently high magnetic field, regions of increased and decreased charge-carrier density, temperature, and fluxes are formed near the sample edges. This leads to nontrivial positive magnetoresistance.

引用

页码：766 / 776

页数：11

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