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Effect of surface roughening on liquid-solid interface velocity

Published online by Cambridge University Press:  31 January 2011

Peter M. Richards
Peter M. Richards
Affiliation:
Sandia National Laboratories, Albuquerque, New Mexico 87185-5800
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Abstract

The difference in density between liquid and solid is shown to be altered at the interface of a rough surface. Since it has been argued previously by the author that density difference plays a major role in interface velocity, I conclude that the rough (100) surface of silicon can have both a larger slope and less asymmetry in the freezing-melting velocity versus temperature relation than does the smooth (111) surface. This may provide partial explanation for some recent experimental results and apparent controversy.

Type
Articles
Information
Journal of Materials Research , Volume 4 , Issue 3 , June 1989 , pp. 607 - 611
Copyright
Copyright © Materials Research Society 1989

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