Abstract
A continuous wetting transition, long observed in model calculations but yet to be found experimentally, is predicted for Xe adsorbed on NaF as well as for Xe adsorbed on Cs and Rb substrates plated with one or more layers of a variety of other materials, including gold, copper, and MgO. The analysis is based on the Dzyaloshinskii-Lifshitz-Pitaevskii dielectric formalism together with the simple, but accurate, scheme for calculating surface tension differences introduced for the helium on cesium problem. Critical exponents are given, and the crossover from first order to continuous wetting as a function of plating material thickness is discussed.
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References
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For a more extensive list of potential overlayer materials which Xe wets for temperatures at and above its triple point, see Fig. 4 of Ref. 7..