ELECTRON-PHONON INTERACTION AND ELECTRON-SCATTERING BY MODIFIED CONFINED LO PHONONS IN SEMICONDUCTOR QUANTUM-WELLS

被引:58
作者
HAUPT, R [1 ]
WENDLER, L [1 ]
机构
[1] TECH UNIV MERSEBURG,FACHBEREICH PHYS,W-4200 MERSEBURG,GERMANY
来源
PHYSICAL REVIEW B | 1991年 / 44卷 / 04期
关键词
D O I
10.1103/PhysRevB.44.1850
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
An improved model of electron-phonon interaction for longitudinal-optical phonons in layered semiconductor quantum wells is developed. In this simple modified dielectric continuum model, the LO phonons are confined modes having electric and displacement fields that agree with both electrostatics and microscopic models of longitudinal-optical phonons. Numerical results are presented and discussed for the electric fields of these modes. The resulting scattering rates of electrons for emission and absorption of LO phonons in a quantum well are calculated and presented in graphical form.
引用
收藏
页码:1850 / 1860
页数:11
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