PHOTOLUMINESCENCE CHARACTERIZATION OF PSEUDOMORPHIC MODULATION-DOPED QUANTUM-WELLS AT HIGH CARRIER SHEET DENSITIES

被引：21
|
作者：
BRIERLEY, SK
HOKE, WE
LYMAN, PS
HENDRIKS, HT
机构：
来源：
APPLIED PHYSICS LETTERS | 1991年 / 59卷 / 25期
关键词：
D O I：
10.1063/1.105714
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
A systematic study has been made of the photoluminescence spectra of modulation-doped strained-layer quantum wells at high electron sheet densities. Peaks associated with both the n = 1 and n = 2 electron subbands are observed, and the relative intensities are shown to be a result of the symmetry properties of the quantum wells. It is demonstrated that only the full width half maximum of the n = 2 subband peak is useful for characterizing high carrier densities.
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页码：3306 / 3308
页数：3
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