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
收藏
页码：15438 / 15440
页数：3
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