PHOTOCURRENT REVERSAL INDUCED BY LOCALIZED CONTINUUM RESONANCES IN ASYMMETRIC QUANTUM SEMICONDUCTOR STRUCTURES

被引：14
作者：
SIRTORI, C
FAIST, J
CAPASSO, F
SIVCO, DL
CHO, AY
机构：
[1] ATandT Bell Laboratories, Murray Hill
来源：
APPLIED PHYSICS LETTERS | 1993年 / 63卷 / 19期
关键词：
D O I：
10.1063/1.110415
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
A new type of photoconductivity controlled by the wave function of the excited state is reported in suitably engineered asymmetric quantum well heterostructures grown by molecular beam epitaxy. This phenomenon manifests itself in directional charge transfer against the applied electric field as electrons in the wells are photoexcited to resonances localized above the barriers.
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页码：2670 / 2672
页数：3
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