PHOTOLUMINESCENCE OF ORDERED GA0.5IN0.5P GROWN BY METALORGANIC VAPOR-PHASE EPITAXY

被引：16

作者：

DONG, JR

WANG, ZG

LIU, XL

LU, DC

WANG, D

WANG, XH

机构：

[1] Laboratory of Semiconductor Materials Science, Institute of Semiconductors, Chinese Academy of Sciences, Beijing 100083

来源：

APPLIED PHYSICS LETTERS | 1995年 / 67卷 / 11期

关键词：

D O I：

10.1063/1.114943

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

Optical properties of ordered Ga0.5In0.5P epitaxial layers grown by metalorganic vapor phase epitaxy are investigated by photoluminescence (PL) in a temperature range of 10-200 K using excitation power densities between 0.35 W/cm(2) and 20 W/cm(2). It is found that the intensity of the highest-energy PL peak of the ordered Ga0.5In0.5P epilayer decreases first, then increases and finally goes down again with increasing temperature. A model of ordered Ga0.5In0.5P epitaxial layers is proposed, in which the ordered Ga0.5In0.5P epilayer is regarded as a type-II quantum well structure with band-tail states, and the dependence of PL spectra on the temperature and excitation intensity is reasonably explained. (C) 1995 American Institute of Physics.

引用

页码：1573 / 1575

页数：3

共 19 条

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