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The Optimization of Interfaces in InAsSb/InGaAs Strained-Layer Superlattices grown by Metal-Organic Chemical Vapor Deposition

Published online by Cambridge University Press:  22 February 2011

R. M. Biefeld ,
K. C. Baucom  and
S. R. Kurtz
R. M. Biefeld
Affiliation:
Sandia National Laboratory, Albuquerque, NM
K. C. Baucom
Affiliation:
Sandia National Laboratory, Albuquerque, NM
S. R. Kurtz
Affiliation:
Sandia National Laboratory, Albuquerque, NM
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Abstract

We have prepared InAsSb/InGaAs strained-layer superlattice (SLS) semiconductors by metal-organic chemical vapor deposition (MOCVD) using a variety of growth conditions. The presence of an InGaAsSb interface layer is indicated by the x-ray diffraction patterns. The optimized growth conditions involved the use of low pressure, short purge times between the growth of the layers, and no reactant flow during the purges. We used MOCVD to prepare an optically pumped, single heterostructure InAsSb/InGaAs SLS / InPSb laser which emitted at 3.9 μm with a maximum operating temperature of approximately 100 K.

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Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 340: Symposium E – Compound Semiconductor Epitaxy , 1994 , 247
Copyright
Copyright © Materials Research Society 1994

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