Effect of Te as a surfactant on the optical properties of InAs self-assembled quantum dots

被引：14
|
作者：
Safar, GAM
Rodrigues, WN
Cury, LA
Chacham, H
Moreira, MVB
Freire, SLS
deOliveira, AG
机构：
[1] Departamento de Física, Instituto de Ciências Exatas, Universidade Federal de Minas Gerais, C.P. 702, 30123-970, Belo Horizonte
来源：
APPLIED PHYSICS LETTERS | 1997年 / 71卷 / 04期
关键词：
D O I：
10.1063/1.119597
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
We report on optical experiments in self-assembled InAs quantum dots grown on (100) and (311)A GaAs surfaces which were precovered with Te. We observe a strong reduction of the luminescence intensity with increasing Te coverage in the (100)-oriented samples. The Te-induced luminescence reduction is, however, much smaller in the (311)A oriented samples. (C) 1997 American Institute of Physics.
引用
收藏
页码：521 / 523
页数：3
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