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Direct observation for the reduction of exciton binding energy induced by perpendicular electric field

 

作者: Kejian Luo,   Houzhi Zheng,   Shijie Xu,   Penghua Zhang,   Wei Zhang,   Xiaoping Yang,  

 

期刊: Applied Physics Letters  （AIP Available online 1995）
卷期: Volume 67, issue 18  

页码: 2642-2644

 

ISSN:0003-6951

 

年代: 1995

 

DOI:10.1063/1.114322

 

出版商: AIP

 

数据来源: AIP

 

摘要:

We experimentally study the effect of perpendicular electric field on the exciton binding energy using a specially designed step quantum well. From photoluminescence spectra at the temperature of 77 K, we have directly observed remarkable blueshift of the exciton peak due to the transition from spatially direct to spatially indirect excitons induced by electric field. ©1995 American Institute of Physics.

 

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