STRUCTURE OF THE ZNSE/GAAS HETEROEPITAXIAL INTERFACE

被引:91
作者
LI, D [1 ]
GONSALVES, JM [1 ]
OTSUKA, N [1 ]
QIU, J [1 ]
KOBAYASHI, M [1 ]
GUNSHOR, RL [1 ]
机构
[1] PURDUE UNIV,SCH ELECT ENGN,W LAFAYETTE,IN 47907
关键词
D O I
10.1063/1.103662
中图分类号
O59 [应用物理学];
学科分类号
摘要
Interfaces of pseudomorphic (100) ZnSe/GaAs heterostructures grown by molecular beam epitaxy have been studied by transmission electron microscopy. The observation of three different heterostructures suggests the existence of a transition structure at the ZnSe/GaAs interfaces which have formed on As-deficient GaAs surfaces. The transition structure appears as a bright line in dark field images of the 200 reflection, while it becomes a dark line in dark field images of the 400 reflection. These observations are explained by assuming the existence of an interface layer which has a zinc blende type structure having vacancies in one of the face centered cubic sublattices.
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页码:449 / 451
页数:3
相关论文
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