EFFECT OF ELECTRIC FIELD ON ZnCdTe-ZnTe MULTIPLE QUANTUM WELLs

Zheng Wei; Fan Xiwu; Zhang Jiying; Zheng Zhuhong; Yang Baojun; Shen Dezhen

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EFFECT OF ELECTRIC FIELD ON ZnCdTe-ZnTe MULTIPLE QUANTUM WELLs

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- EFFECT OF ELECTRIC FIELD ON ZnCdTe-ZnTe MULTIPLE QUANTUM WELLs
- Chinese Journal of Luminescence Vol. 18, Issue 2, Pages: 122-126(1997)
- 作者机构：
  
  1. 中国科学院长春物理研究所长春,130021
  2. 中国科学院激发态物理开放研究实验室长春,130021
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Received：12 June 1996，
  
  Published：30 May 1997
- 稿件说明：
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郑伟, 范希武, 张吉英, 郑著宏, 杨宝均, 申德振. ZnCdTe-ZnTe多量子阱的电场效应[J]. 发光学报, 1997,18(2): 122-126

Zheng Wei, Fan Xiwu, Zhang Jiying, Zheng Zhuhong, Yang Baojun, Shen Dezhen. EFFECT OF ELECTRIC FIELD ON ZnCdTe-ZnTe MULTIPLE QUANTUM WELLs[J]. Chinese Journal of Luminescence, 1997,18(2): 122-126
郑伟, 范希武, 张吉英, 郑著宏, 杨宝均, 申德振. ZnCdTe-ZnTe多量子阱的电场效应[J]. 发光学报, 1997,18(2): 122-126 DOI：

Zheng Wei, Fan Xiwu, Zhang Jiying, Zheng Zhuhong, Yang Baojun, Shen Dezhen. EFFECT OF ELECTRIC FIELD ON ZnCdTe-ZnTe MULTIPLE QUANTUM WELLs[J]. Chinese Journal of Luminescence, 1997,18(2): 122-126 DOI：

摘要

本文报导了电场作用下ZnCdTe-ZnTe多量子阱的激子发光特性.用激子局域化的观点解释了激子发光峰随电场增强而增强的现象.在Zn

0.8

0.2

Te-ZnTe多量子阱中观察到了电场作用下自由激子发光谱峰较大的红移和较快的发光淬灭

Abstract

The characterizations of exciton emission in ZnCdTe-ZnTe-MQWs under electric field have been reported in this paper. The changs of the exciton peaks in Zn

0.67

0.33

Te(6 nm)-ZnTe(6 nm)MQWs is very small

when electric field increases

peak position shifts about 1.5meV to the lower energy side

when voltage increases from 0 to 19V and peak intensity of this sample increases about 15%. In contrast

the n=1 heavy-hole exciton peaks of Zn

0.8

0.2

Te-ZnTe changed greatly as voltage increased from 6 to 8 V

exciton peak position shifts about 59%. The variation in exciton peak intensities between the two samples have been explained in exciton localization view point. The large shift of Zn

0.8

0.2

Te-ZnTe MQWs exciton peaks is due to the bigger quantum-confined Stark effect.

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