STARK LADDER EXCITONIC TRANSITIONS

被引：13
|
作者：
BRUM, JA [1 ]
AGULLORUEDA, F [1 ]
机构：
[1] IBM CORP, THOMAS J WATSON RES CTR, YORKTOWN HTS, NY 10598 USA
来源：
SURFACE SCIENCE | 1990年 / 229卷 / 1-3期
关键词：
D O I：
10.1016/0039-6028(90)90933-Y
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
We have calculated the binding energy and the transition energies of excitons for a superlattice under an external electric field applied along the growth direction. At low fields the binding energy shifts strongly showing the localization of the superlattice states into the Stark ladder states. For higher fields the energy levels observe a shift associated to the single quantum well Stark effect. We also discuss the contribution of superlattice fluctuations to the carrier confinement. © 1990.
引用
收藏
页码：472 / 475
页数：4
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