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Article Dans Une Revue Physical Review Letters Année : 1989

Dynamic Light Scattering Study of Dilute Lamellar Phases

Résumé

Dynamic light scattering measurements on oriented samples of lyotropic smectics have been performed. The layer compressibility modulus B is extracted from the anisotropic dispersion relation of the so-called slip mode, which arises from the coupling between concentration and layer displacement fluctuations. The samples are diluted with three different solvents (repeat distances 50 to 800 Å): The behavior of B suggests either undulation or electrostatic repulsions between membranes, depending on the swelling solvent
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hal-04186394 , version 1 (23-08-2023)

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Frédéric Nallet, D. Roux, J. Prost. Dynamic Light Scattering Study of Dilute Lamellar Phases. Physical Review Letters, 1989, 62 (3), pp.276-279. ⟨10.1103/PhysRevLett.62.276⟩. ⟨hal-04186394⟩

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