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Heterogeneous nucleation near a metastable vapour-liquid transition: the effect of wetting transitions

Sear, RP (2002) Heterogeneous nucleation near a metastable vapour-liquid transition: the effect of wetting transitions J. Physics: Condensed Matter, 14. pp. 3693-3703.

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Abstract

Phase transformations such as freezing typically start with heterogeneous nucleation. Heterogeneous nucleation near a wetting transition, of a crystalline phase is studied. The wetting transition occurs at or near a vapour-liquid transition which occurs in a metastable fluid. The fluid is metastable with respect to crystallisation, and it is the crystallisation of this fluid phase that we are interested in. At a wetting transition a thick layer of a liquid phase forms at a surface in contact with the vapour phase. The crystalline nucleus is then immersed in this liquid layer, which reduces the free energy barrier to nucleation and so dramatically increases the nucleation rate. The variation in the rate of heterogeneous nucleation close to wetting transitions is calculated for systems in which the longest-range forces are dispersion forces.

Item Type: Article
Authors :
NameEmailORCID
Sear, RPr.sear@surrey.ac.ukUNSPECIFIED
Date : 8 January 2002
Identification Number : https://doi.org/10.1088/0953-8984/14/14/302
Uncontrolled Keywords : cond-mat.stat-mech, cond-mat.stat-mech, cond-mat.soft
Related URLs :
Depositing User : Symplectic Elements
Date Deposited : 17 May 2017 11:28
Last Modified : 17 May 2017 14:56
URI: http://epubs.surrey.ac.uk/id/eprint/831455

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