OBSERVATION OF MAGNETOPHONON RESONANCE IN THE MINIBAND TRANSPORT IN SEMICONDUCTOR SUPERLATTICES

被引：48

作者：

NOGUCHI, H

SAKAKI, H

TAKAMASU, T

MIURA, N

机构：

[1] UNIV TOKYO,ADV SCI & TECHNOL RES CTR,MEGURO KU,TOKYO 153,JAPAN

[2] UNIV TOKYO,INST SOLID STATE PHYS,MINATO KU,TOKYO 106,JAPAN

来源：

PHYSICAL REVIEW B | 1992年 / 45卷 / 20期

关键词：

D O I：

10.1103/PhysRevB.45.12148

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

We have studied vertical transport of electrons in GaAs/AlxGa1-xAs superlattices by applying high magnetic fields normal to the layers. Strong oscillations of magnetophonon resonance are observed in the temperature range between 150 and 300 K, reflecting the singularity of density of states in the superlattice miniband under quantizing magnetic fields. The miniband-width dependence of the resonant spectra is explained by the formation of forbidden gaps between Landau minibands.

引用

页码：12148 / 12151

页数：4

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