Article Dans Une Revue Journal of Physics: Condensed Matter Année : 1996

The effect of water thickness on the bending rigidity of inverted bilayers

Résumé

The effect of water thickness on the mean curvature modulus κ of an inverted bilayer has been investigated. Our system is a lamellar phase made up of a series of water films each surrounded by two ionic surfactant monolayers and separated with hydrophobic solvent. The elastic constant κ has been estimated using the excess-area method and it is shown to decrease when the thickness of the water layer increases. This result cannot be interpreted in terms of electrostatic effects-an increase of κ is expected instead-but may arise from a coupling between short-range surfactant interactions and curvature strains.

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Dates et versions

hal-04189966 , version 1 (29-08-2023)

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Éric Freyssingeas, Didier Roux, Frédéric Nallet. The effect of water thickness on the bending rigidity of inverted bilayers. Journal of Physics: Condensed Matter, 1996, 8 (16), pp.2801-2806. ⟨10.1088/0953-8984/8/16/009⟩. ⟨hal-04189966⟩
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