Maximum Overheating and Partial Wetting of Nonmelting Solid Surfaces

Details Maximum Overheating and Partial Wetting of Nonmelting Solid Surfaces Maximum Overheating and Partial Wetting of Nonmelting Solid Surfaces

1994-12-21

arxiv.org/abs/cond-mat/9412097v1

Physics

Condensed Matter

RevTeX, 9 pages, 3 Postscript figures, submitted to Phys. Rev. Lett

Scientific paper

10.1103/PhysRevLett.74.3201

Surfaces which do not exhibit surface melting below the melting point (nonmelting surfaces) have been recently observed to sustain a very large amount of overheating. We present a theory which identifies a maximum overheating temperature, and relates it to other thermodynamical properties of the surface, in particular to geometrical properties more readily accessible to experiment. These are the angle of partial wetting, and the nmelting-induced faceting angle. We also present molecular dynamics simulations of a liquid droplet deposited on Al(111), showing lack of spreading and partial wetting in good agreement with the theory. PACS numbers: 68.10.Cr, 68.45.Gd, 61.50.Jr

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