Cyclotron-resonance mass of two-dimensional electrons in GaN/AlxGa1-xN heterostructures

被引：31

作者：

Wu, XG ^{[1
]}

Peeters, FM ^{[1
]}

机构：

[1] UNIV ANTWERP,DEPT PHYS,B-2610 ANTWERP,BELGIUM

来源：

PHYSICAL REVIEW B | 1997年 / 55卷 / 23期

关键词：

D O I：

10.1103/PhysRevB.55.15438

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The electron cyclotron-resonance (CR) mass of quasi-two-dimensional electrons in GaN/AlxGa1-xN heterostructures is studied theoretically. The correction to the CR mass due to electron-phonon interaction is investigated, taking into account band nonparabolicity, the occupation effect, and the screening of the electron-phonon coupling. The dependence of the CR mass on the electron density and on the magnetic field strength is displayed in detail, and the calculated CR mass agrees well with a recent experiment. We found that the effective electron-phonon coupling strength in GaN heterostructures is reduced below the bulk value.

引用

页码：15438 / 15440

页数：3

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