The edge free energy of an atomically smooth diamond surface
- 10 July 1988
- journal article
- Published by IOP Publishing in Journal of Physics C: Solid State Physics
- Vol. 21 (19) , 3655-3662
- https://doi.org/10.1088/0022-3719/21/19/017
Abstract
A simple graphical method is derived for the determination of the edge free energy gamma of an atomically smooth diamond (111) surface. In this approach, the authors first obtain the graph of dimensionless growth rate against the degree of undercooling for various standard temperatures by Monte Carlo simulation. The linear portion of the curve is then extrapolated to intercept the undercooling axis and the critical degree ( Delta mu */kT) of undercooling is found. The value of gamma can then be obtained from a relationship between gamma and Delta mu */kT, as derived in this paper. The temperature dependence of the gamma obtained is found to be similar to that obtained for a Kossel crystal by Leamy and Gilmer (1974).Keywords
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