OPTICAL-PROPERTIES OF ALXGA1-XAS GAAS MQW STUDIED BY INFRARED ELLIPSOMETRY AND FOURIER-TRANSFORM INFRARED-SPECTROSCOPY

被引：0
作者：
ZHU, HX [1 ]
CHEN, MQ [1 ]
LUO, JS [1 ]
WANG, KL [1 ]
机构：
[1] UNIV CALIF LOS ANGELES,DEPT ELECT ENGN,LOS ANGELES,CA 90024
来源：
SUPERLATTICES AND MICROSTRUCTURES | 1993年 / 13卷 / 02期
关键词：
D O I：
10.1006/spmi.1993.1032
中图分类号：
O469 [凝聚态物理学];
学科分类号：
070205 ;
摘要：
The optical response of AlxGa1-xAs/GaAs MQW from near-infrared to far-infrared has been studied. Using infrared spectroscopic ellipsometry, we measured the optical response of the samples in the energy range 0.5-2.0eV, and oscillations have been observed. A multilayer film calculation indicates that this phenomenon results from interference. By Fourier transform infrared spectroscopy, the absorptance of double-well MQW has been measured in the energy range 0.08-0.25eV. The energy levels of subbands and the oscillator strengths were calculated from self-consistent interface potential theory. The calculation results are consistent with the measurements. © 1993 Academic Press. All rights reserved.
引用
收藏
页码：173 / 176
页数：4
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