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The Effect of Impurities in the SPE Kinetics in GaAs

Published online by Cambridge University Press:  26 February 2011

C. Licoppe ,
Y. I. Nissim  and
C. Meriadec
C. Licoppe
Affiliation:
C.N.E.T. Laboratoire de Bagneux, 196 rue de Paris, 92220 Bagneux, FRANCE
Y. I. Nissim
Affiliation:
C.N.E.T. Laboratoire de Bagneux, 196 rue de Paris, 92220 Bagneux, FRANCE
C. Meriadec
Affiliation:
C.N.E.T. Laboratoire de Bagneux, 196 rue de Paris, 92220 Bagneux, FRANCE
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Abstract

Solid phase epitaxial (SPE) growth of ion implanted GaAs layers has been studied using the time resolved reflectivity technique. A series of implanted impurities have been selected to study the dependance of the nature of the impurity on the growth kinetics. It has been found that the activation energy and the kinetics of growth were independant on the choice of implanted substitutional impurity. Only impurities such as Argon were responsible of a large decrease in the regrowth rate. The same technique is shown to bring informations on the amorphous-crystal interface structure during growth. From these informations it has been possible to show that interface roughening occured during SPE in (100) GaAs. This interface evolution is an intrinsic property of the implanted GaAs material.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 52: Symposium B – Rapid Thermal Processing , 1985 , 369
Copyright
Copyright © Materials Research Society 1986

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References

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