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Self-Compensation and Doping Problems in ZnSe

Published online by Cambridge University Press:  25 February 2011

David B. Laks  and
Chris G. Van de Walle
David B. Laks
Affiliation:
National Renewable Energy Laboratory, Golden, CO 80401
Chris G. Van de Walle
Affiliation:
Philips Laboratories, Briarcliff Manor, NY 10510 USA and Xerox Palo Alto Research Center, Palo Alto, CA 94304 (present address)
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Abstract

We examine native-defect compensation, solubility limits, and dopant self-compensation in ZnSe. Our results are based on a formalism, using first-principles density-functional theory, that treats dopant atoms and native defects on an equal footing. For the case of acceptor doping of ZnSe with Li, we find that compensation due to interstitial Li donors and to native donor defects can be reduced to a tolerable level by carefully adjusting the growth conditions. A more serious impediment to Li doping comes from the solubility limit of Li in ZnSe.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 242: Symposium G – Wide Band-Gap Semiconductors , 1992 , 311
Copyright
Copyright © Materials Research Society 1992

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References

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