Effect of Miniband Dispersion on Inelastic Scattering of Superlattice Electrons by Acoustic Phonons

被引：0
|
作者：
S. I. Borisenko
机构：
[1] V. D. Kuznetsov Siberian Physical-Technical Institute at Tomsk State University,
来源：
Russian Physics Journal | 2003年 / 46卷 / 3期
关键词：
Relaxation Time; Longitudinal Wave; Energy Spectrum; Wave Vector; Potential Barrier;
D O I：
10.1023/A:1025433727245
中图分类号：
学科分类号：
摘要：
Within the framework of the Boltzmann equation, formulas for calculating the effective relaxation time and mobility of superlattice electrons are derived with allowance for inelastic scattering on acoustic phonons and dispersion of the miniband energy spectrum depending on the longitudinal wave vector. The dependences of longitudinal and transverse mobilities of the nondegenerate electronic gas of the GaAs/Al0.36Ga0.64As superlattice with the quantum well 5 nm wide on the potential barrier width and temperature are analyzed numerically. It is demonstrated that inelasticity of scattering and miniband dispersion significantly increase the electron mobility, and its temperature dependence becomes more pronounced at low temperatures.
引用
收藏
页码：262 / 269
页数：7
相关论文
共 50 条
12345