First- and second-order wetting transitions at liquid-vapor interfaces

K. Koga, J. O. Indekeu, B. Widom

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

Wetting transitions, in which one liquid wets, or spreads at, the interface between a second liquid and their common vapor, are defined and first- and second-order transitions are distinguished. The mean-field density-functional models of fluid interfaces are recalled. A criterion is noted for determining when the wetting transitions in those models are required to be of first order or may be of second order. It is seen how two examples of such density-functional models that have been treated in the past, one leading to a first-order and the other to a second-order wetting transition, provide examples of the application of the criterion.

Original languageEnglish
Pages (from-to)217-222
Number of pages6
JournalFaraday Discussions
Volume146
DOIs
Publication statusPublished - Aug 9 2010

ASJC Scopus subject areas

  • Physical and Theoretical Chemistry

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