PMID: 15245104Jul 13, 2004Paper

Long-range critical wetting: observation of a critical end point

Physical Review Letters
Salima RafaïJ O Indekeu

Abstract

Alkanes deposited on aqueous substrates exhibit two different types of wetting behavior: alternatively to the usual first-order wetting transition, a sequential-wetting scenario of a long-range critical wetting transition preceded by a first-order thin-thick transition may be observed. Here, we present the first successful experimental attempt to locate the transition point between the standard first-order wetting and the long-range critical wetting: a critical end point, observed in a mixture of pentane and hexane which is deposited on an aqueous solution of glucose. Furthermore, we present the first direct measurement of the contact angle in the intermediate wetting state (frustrated-complete wetting) in the sequential-wetting scenario of hexane on brine and compare to theoretical predictions.

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Citations

Mar 4, 2006·The Journal of Chemical Physics·Luis G Macdowell, Marcus Müller
Sep 13, 2006·The Journal of Chemical Physics·Volker C Weiss
Dec 2, 2008·Advances in Colloid and Interface Science·Ludmila Boinovich, Alexandre Emelyanenko
Sep 21, 2011·Physical Review. E, Statistical, Nonlinear, and Soft Matter Physics·Ana OprisanDaniel A Beysens
Jun 23, 2018·Physical Review Letters·Sanghita SenguptaValeri N Kotov
Feb 1, 2008·Physical Review. E, Statistical, Nonlinear, and Soft Matter Physics·Volker C WeissDaniel Bonn
Feb 7, 2012·Physical Review. E, Statistical, Nonlinear, and Soft Matter Physics·Maria S S PereiraMarcelo L Lyra
Apr 6, 2005·Langmuir : the ACS Journal of Surfaces and Colloids·Daniel BonnJoseph Indekeu

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