Phase equilibria in stratified thin liquid films stabilized by colloidal particles

J. Blawzdziewicz, E. Wajnryb

Research output: Contribution to journalArticle

8 Scopus citations

Abstract

Phase equilibria between regions of different thickness in thin liquid films stabilized by colloidal particles are investigated using a quasi-two-dimensional thermodynamic formalism. Appropriate equilibrium conditions for the film tension, normal pressure, and chemical potential of the particles in the film are formulated, and it is shown that the relaxation of these parameters occurs consecutively on three distinct time scales. Film stratification is described quantitatively for a hard-sphere suspension using a Monte Carlo method to evaluate thermo-dynamic equations of state. Coexisting phases are determined for systems in constrained- and full-equilibrium states that correspond to different stages of film relaxation.

Original languageEnglish
Pages (from-to)269-275
Number of pages7
JournalEurophysics Letters
Volume71
Issue number2
DOIs
StatePublished - Jul 15 2005

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