Abstract
We discuss the melting and structure of clusters and thin films using Monte Carlo simulation and analytic density functional methods. The density is increased at the bounadry but the local structure factor is not. The structure can be semi-quantitatively described by a linear theory. We found that the freezing temperature is increased for thin films whereas for clusters it is decreased. For spherical boundaries, at melting the Debye-Waller factor as a function of the radial distance consists of a flat bulk-hke part close to the center and a decaying interface part at the surface. For small particles, the surface part dominates. This represents a type of generallzed Lindemann criterion for small clusters.
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© 1994 Springer Science+Business Media Dordrecht
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Chui, S.T. (1994). Melting in Restricted Geometries. In: Hadjipanayis, G.C., Siegel, R.W. (eds) Nanophase Materials. NATO ASI Series, vol 260. Springer, Dordrecht. https://doi.org/10.1007/978-94-011-1076-1_39
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DOI: https://doi.org/10.1007/978-94-011-1076-1_39
Publisher Name: Springer, Dordrecht
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