EFFECT OF NONPARABOLICITY ON FREE-CARRIER ABSORPTION IN SEMICONDUCTORS AT QUANTIZING MAGNETIC-FIELDS

被引：3
作者：
WU, CC
TSAI, JS
LIN, CJ
机构：
[1] NATL TSING HUA UNIV,INST NUCL SCI,HSINCHU 300,TAIWAN
[2] NATL CHIAO TUNG UNIV,DEPT APPL MATH,HSINCHU,TAIWAN
来源：
JOURNAL OF APPLIED PHYSICS | 1990年 / 68卷 / 06期
关键词：
D O I：
10.1063/1.346414
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
Effect of the nonparabolicity on free-carrier absorption in nondegenerate semiconductors has been investigated at quantizing magnetic fields. The dominant scattering mechanism for electrons is assumed to be of the acoustic phonon scattering via the deformation-potential coupling. When the radiation is polarized parallel to a magnetic field, the absorption coefficient oscillates with the magnetic field in lower fields and then increases monotonically with the field. These oscillations of the abosrption coefficient with the magnetic field will be diminished with decreasing temperature and depend on the band gap of semiconductors.
引用
收藏
页码：3024 / 3026
页数：3
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