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Issue 3, 2015
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Cross-diffusion-induced convective patterns in microemulsion systems

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Abstract

Cross-diffusion phenomena are experimentally shown to be able to induce convective fingering around an initially stable stratification of two microemulsions with different compositions. Upon diffusion of a salt that entrains water and AOT micelles by cross-diffusion, the miscible interface deforms into fingers following the build-up of a non-monotonic density profile in the gravitational field. A diffusion model incorporating cross-diffusion effects provides an explanation for the mechanism of the buoyancy-driven hydrodynamic instability and for the properties of the convective fingers.

Graphical abstract: Cross-diffusion-induced convective patterns in microemulsion systems

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Publication details

The article was received on 20 May 2014, accepted on 19 Aug 2014 and first published on 20 Aug 2014


Article type: Paper
DOI: 10.1039/C4CP02196G
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Citation: Phys. Chem. Chem. Phys., 2015,17, 1593-1600
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    Cross-diffusion-induced convective patterns in microemulsion systems

    M. A. Budroni, L. Lemaigre, A. De Wit and F. Rossi, Phys. Chem. Chem. Phys., 2015, 17, 1593
    DOI: 10.1039/C4CP02196G

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