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Molecular Dynamics Simulation of Cascade Damage in Gold

Published online by Cambridge University Press:  15 February 2011

E. Alonso ,
M. J. Caturla ,
M. Tang ,
H. Huang  and
T. Diaz de ia Rubia
E. Alonso
Affiliation:
University of California, Lawrence Livermore National Laboratory, Livermore, CA 94551
M. J. Caturla
Affiliation:
University of California, Lawrence Livermore National Laboratory, Livermore, CA 94551
M. Tang
Affiliation:
University of California, Lawrence Livermore National Laboratory, Livermore, CA 94551
H. Huang
Affiliation:
University of California, Lawrence Livermore National Laboratory, Livermore, CA 94551
T. Diaz de ia Rubia
Affiliation:
University of California, Lawrence Livermore National Laboratory, Livermore, CA 94551
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Abstract

High-energy cascades have been simulated in gold using molecular dynamics with a modified embedded atom method potential. The results show that both vacancy and interstitial clusters form with high probability as a result of intracascade processes. The formation of clusters has been interpreted in terms of the high pressures generated in the core of the cascade during the early stages. We provide evidence that correlation between interstitial and vacancy clustering exists.

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Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 439: Symposium B – Microstructure Evolution During Irradiation , 1996 , 367
Copyright
Copyright © Materials Research Society 1997

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