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Journal ArticleDOI

Effect of Confinement on Wetting and Drying Between Opposing Boundaries

M. R. Swift, +2 more
- 01 Mar 1991 - 
- Vol. 14, Iss: 5, pp 475-481
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TLDR
In this paper, the authors study quasi-wetting transitions in confined systems in which capillary condensation is suppressed by adsorbates between opposing walls (one wall favours wetting, the other drying) and calculate the global phase diagram for a slab of width L and boundaries with opposite surface fields, in Landau theory.
Abstract
We study quasi-wetting transitions in confined systems in which capillary condensation is suppressed. In particular, we are concerned with adsorbates between opposing walls (one wall favours wetting, the other drying). We employ an Ising model and calculate the global phase diagram for a slab of width L and boundaries with opposite surface fields, in Landau theory. We find novel first-order, critical, and tricritical quasi-wetting transitions, which converge smoothly, for L → ∞, to the familiar wetting transitions. We question the recently proposed novel mechanism for critical-point shifts in films.

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Journal ArticleDOI

Monte Carlo tests of renormalization-group predictions for critical phenomena in Ising models

TL;DR: In this paper, a critical review of Monte Carlo simulations of ferromagnetic Ising models is given, with a detailed comparison to theoretical predictions. But this review is limited to the case of single-spin flip vs. cluster algorithms.
Journal ArticleDOI

Monte Carlo Studies of Wetting, Interface Localization and Capillary Condensation

TL;DR: In this paper, a review of Monte Carlo simulations of ferromagnetic Ising lattices in a film geometry with surface magnetic fields is presented, and the authors summarize predictions of scaling theories.
Journal ArticleDOI

Novel phase behaviour of a confined fluid or Ising magnet

TL;DR: The phase behavior of a simple fluid or Ising magnet (at temperatures above its roughening transition) confined between parallel walls that exert opposing surface fields is studied in this paper.
Journal ArticleDOI

Review on morphology development of immiscible blends in confined shear flow

TL;DR: In this article, the morphology development in immiscible two-phase blends in confined shear flow has been studied, and the typical microstructures that are observed in confined dilute blends are reviewed.
Journal ArticleDOI

Surface-directed spinodal decomposition

TL;DR: In this paper, the authors review analytical and numerical results for surface-directed spinodal decomposition (SDSD), namely the interplay of wetting kinetics and phase separation in a binary (AB) mixture in contact with a surface S which prefers one of the components (say, A).
References
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Book

Phase Transitions and Critical Phenomena

TL;DR: The field of phase transitions and critical phenomena continues to be active in research, producing a steady stream of interesting and fruitful results as discussed by the authors, and the major aim of this serial is to provide review articles that can serve as standard references for research workers in the field.
Journal ArticleDOI

Fluids in narrow pores: adsorption, capillary condensation, and critical points

TL;DR: In this paper, the phase equilibria of a simple fluid confined by two adsorbing walls have been investigated as a function of wall separation H and chemical potential μ for temperature T corresponding to both partial and complete wetting situations.
Journal ArticleDOI

Multicriticality of Wetting, Prewetting, and Surface Transitions

TL;DR: In this article, the global phase diagram for wall and surface critical phenomena is analyzed in the space of temperature, surface enhancement, and bulk and surface fields, on the basis of Landau phenomenological theory.
Journal ArticleDOI

Critical point shifts in films

TL;DR: In this article, the dependence of the shift in critical temperature ΔTc, critical field, etc., on the film thickness D, and on the nature of the walls as modeled by a surface field or chemical potential h1 which acts near the walls and leads to preferential adsorption of one of the bulk phases is discussed.
Journal ArticleDOI

Solvable Model with a Roughening Transition for a Planar Ising Ferromagnet

TL;DR: In this article, an exact solvable modification of the planar Ising ferromagnet is proposed which has a roughening transition below the Curie temperature, which confirms the de Gennes-Fisher scaling theory of correlations with homogeneous surface fields.