Abstract
Calculations are presented of the energetics of an impurity (atom or ion) interacting with a fluid. Two possible configurations are considered: a surface state and a solvated state. For two distinct model problems which we consider (any classical fluid and superfluid helium) we find a common behaviour: the value of a dimensionless parameter λ determines the relative stability of the surface and solvated states. For λ greater (less) than 1.9, the sovated (surface) state is favored. A more realistic estimate for a classical fluid is λ ∼ 1. Predictions are made of a universal solvation behaviour derived from the law of corresponding states. Results are presented for the solvated fraction as a function of cluster radius and temperature. Quantum corrections and the kinetics of solvation are discussed briefly.
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Ancilotto, F., Lerner, P.B. & Cole, M.W. Physics of solvation. J Low Temp Phys 101, 1123–1146 (1995). https://doi.org/10.1007/BF00754527
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DOI: https://doi.org/10.1007/BF00754527