Volume 64, Number 1, October 2003
|Page(s)||64 - 69|
|Section||Condensed matter: structure, mechanical and thermal properties|
|Published online||01 November 2003|
van der Waals interaction and wetting transitions
Max Planck Institute of Colloids and Interfaces -
14424 Potsdam, Germany
Accepted: 1 August 2003
A scenario of continuous and discontinuous wetting transitions is predicted by the continuum theory of dispersion forces, which is different from that obtained by an addition of the nonretarded van der Waals interaction with a next-to-leading term. It is found that the transition temperatures of continuous wetting transitions are higher than the temperature where the nonretarded van der Waals interaction changes its sign. For van der Waals systems the macroscopic dielectric properties of the materials participate in determining not only the existence but also the order of a wetting transition.
PACS: 68.08.Bc – Wetting / 68.35.Rh – Phase transitions and critical phenomena
© EDP Sciences, 2003
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