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Article Dans Une Revue Physical Chemistry Chemical Physics Année : 2013

Critical behavior of nanoparticle-containing binary liquid mixtures

Résumé

Simultaneous measurements of small-angle neutron scattering and dynamic light scattering have been performed on a binary mixture of partially miscible liquids, 2,6-dimethylpyridine and water. At critical composition the temperature dependence of the correlation length of fluctuations in composition is strongly affected by the addition of nanoparticles of a triblock copolymer polyethylene oxide-polypropylene oxide- polyethylene oxide. A crossover between Ising-type critical behavior and mean-field critical behavior is observed when the correlation length is equal to the size of the nanoparticles.
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Dates et versions

hal-00805876 , version 1 (29-03-2013)

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Z. Bakaeva, P. Cernoch, P. Stepanek, F. Nallet, Laurence Noirez. Critical behavior of nanoparticle-containing binary liquid mixtures. Physical Chemistry Chemical Physics, 2013, 15, pp. 5831-5835. ⟨10.1039/c3cp44052d⟩. ⟨hal-00805876⟩
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