ENHANCED SUPPRESSED INTERDIFFUSION OF LATTICE-MATCHED AND PSEUDOMORPHIC III-V HETEROSTRUCTURES BY CONTROLLING GA VACANCIES

被引:5
|
作者
KOLBAS, RM
HWANG, YL
ZHANG, T
PRAIRIE, M
HSIEH, KY
MISHRA, UK
机构
[1] Department of Electrical and Computer Engineering, Center for Advanced Electronic Materials Processing, North Carolina State University, Raleigh, 27695-7911, NC
关键词
D O I
10.1007/BF00624971
中图分类号
TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 ; 0809 ;
摘要
Data are presented showing that the interdiffusion of Ga and Al (AlGaAs-GaAs) and of Ga and In (pseudomorphic InGaAs-GaAs) at a heterojunction can be significantly enhanced or suppressed by controlling group III vacancies and interstitials. High-resistivity low-temperature GaAs which contains excess As is shown to accelerate the interdiffusion process. The emission wavelength from monolayer-thick quantum wells can remain relatively unchanged even after annealing for 200 h at 850-degrees-C.
引用
收藏
页码:S805 / S812
页数:8
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