Stability of soap films: hysteresis and nucleation of black films

Castelletto, V., Cantat, I., Sarker, D.K., Bausch, R., Bonn, D. and Meunier, J. (2003) Stability of soap films: hysteresis and nucleation of black films Physical review letters, 90 (4). 0483021-0483024. ISSN 1079-7114

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Official URL: http://dx.doi.org/10.1103/PhysRevLett.90.048302

Abstract

We study the stability of soap films of a nonionic surfactant under different applied capillary pressures on the film. Depending on the pressure, either a thick common black film (CBF), or a microscopically thin Newton black film (NBF) is formed as a (metastable) equilibrium state, with a first-order (discontinuous) transition between the two. Studying the dynamics of the CBF-NBF transition, it is found that under certain conditions a hysteresis for the transition is observed: for a given range of pressures, either of the two states may be observed. We quantify the nucleation process that is at the basis of these observations both experimentally and theoretically.

Item Type:Journal article
Subjects:C000 Biological and Biomedical Sciences
DOI (a stable link to the resource):10.1103/PhysRevLett.90.048302
Faculties:Faculty of Science and Engineering > School of Pharmacy and Biomolecular Sciences > Biomedical Materials
Faculty of Science and Engineering > School of Pharmacy and Biomolecular Sciences > Microbiology
ID Code:951
Deposited By:editor spbs
Deposited On:08 Nov 2007
Last Modified:18 Jun 2010 12:29

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