THERMAL SATURATION OF BAND TRANSPORT IN A SUPERLATTICE

被引：62

作者：

BROZAK, G

HELM, M

DEROSA, F

PERRY, CH

KOZA, M

BHAT, R

ALLEN, SJ

机构：

[1] BELLCORE,RED BANK,NJ 07701

[2] MIT,FRANCIS BITTER NATL MAGNET LAB,CAMBRIDGE,MA 02139

来源：

PHYSICAL REVIEW LETTERS | 1990年 / 64卷 / 26期

关键词：

16;

D O I：

10.1103/PhysRevLett.64.3163

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

Thermal saturation of band transport in a GaAs/AlGaAs superlattice miniband is observed for the first time. The Drude conductivity of the miniband is measured as a function of temperature. As the temperature is raised so that kBT is significantly larger than the miniband width the conductivity is strongly quenched. Excellent quantitative agreement is obtained when these results are compared with a semiclassical Boltzmann theory of transport in a narrow band. © 1990 The American Physical Society.

引用

页码：3163 / 3166

页数：4

共 14 条

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