MODULATION OF THE COUPLING OF A NEAR-SURFACE GAAS/GA0.7AL0.3AS QUANTUM-WELL WITH ITS FREE-SURFACE

被引:5
作者
HOUZAY, F
MOISON, JM
ELCESS, K
BARTHE, F
机构
[1] Laboratoire de Bagneux The Laboratoire, Bagneux is Unité de Recherche Associée au C.N.R.S. URA250., Centre National d'Etudes des Télécommunications FRANCE TELECOM, 92220 Bagneux
关键词
D O I
10.1016/0749-6036(91)90180-Y
中图分类号
O469 [凝聚态物理学];
学科分类号
070205 ;
摘要
The states confined in a GaAs/Ga0.7Al0.3 quantum well interact with the states localized at the free surface of its topmost barrier when the thickness of this barrier is decreased below ≈400Å. We show here that this interaction and hence the behaviour of carriers confined in the well can be modulated by in situ treatments applied to this free surface. © 1991.
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页码:507 / 509
页数:3
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