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Article Dans Une Revue Journal of Statistical Mechanics: Theory and Experiment Année : 2007

Aggregation of colloids near a fluid membrane

Résumé

The phase behaviour of a suspension of colloids near a soft interface is investigated. Particular emphasis is given to entropic interactions mediated by membrane fluctuations and their consequences on the local (re)organization of the suspension. In a generalized van der Waals description, the suspension undergoes a first-order phase transition where a dense phase of colloids coexists with a dilute one. We predict a decrease of the critical volume fraction compared to the value in the absence of fluctuation-induced interactions. These results highlight potential applications of entropic forces to control the thermodynamic state of a colloidal suspension.

Dates et versions

hal-01553045 , version 1 (03-07-2017)

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A. Bendouch, H. Kaïdi, Thomas Bickel, M. Benhamou. Aggregation of colloids near a fluid membrane. Journal of Statistical Mechanics: Theory and Experiment, 2007, pp.12. ⟨10.1088/1742-5468/2007/01/p01016⟩. ⟨hal-01553045⟩

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