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Multiple Cations Interdiffusion in In0.53Ga0.47As/In0.52Al0.48As Quantum Well

Published online by Cambridge University Press:  10 February 2011

Y. Chan ,
W. C. Shiu ,
W. K. Tsui  and
E. Herbert Li
Y. Chan
Affiliation:
University of Hong Kong, Department of Electrical and Electronic Engineering, Pokfulam Road, Hong Kong.
W. C. Shiu
Affiliation:
Hong Kong Baptist University, Department of Mathematics, Kowloon, Hong Kong.
W. K. Tsui
Affiliation:
University of Hong Kong, Department of Electrical and Electronic Engineering, Pokfulam Road, Hong Kong.
E. Herbert Li
Affiliation:
University of Hong Kong, Department of Electrical and Electronic Engineering, Pokfulam Road, Hong Kong.
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Abstract

Multiple cations interdiffusion in In0.53Ga0.47As/In0.52Al0.48As quantum well (QW) structure is investigated by using the model of expanded form of Fick's second law. The model is fitted to the measured concentration data in order to determine their diffusion coefficients. Once the concentration distribution is obtained, the types of strain and their variation across the QW can be determined, thus the subbands and transitions can be gathered. Result shows interesting phenomena due to this three species interdiffusion.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 450: Symposium O – Infrared Applications of Semiconductors , 1996 , 377
Copyright
Copyright © Materials Research Society 1997

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References

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