Osmotic Equilibrium between an Ionic Magnetic Fluid and an Electrostatic Lamellar Phase

We describe the preparation of a “stiff” ferrosmectic. The domain of composition for which charged magnetic nanoparticles are included inside the aqueous layers of an Lα structure is narrow. This result is explained in terms of osmotic pressure equilibrium. Identification of biphasic regions allows...

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Bibliographic Details
Published in:Langmuir 1996-07, Vol.12 (14), p.3516-3522
Main Authors: Ménager, C, Belloni, L, Cabuil, V, Dubois, M, Gulik-Krzywicki, T, Zemb, Th
Format: Article
Language:English
Subjects:
Chemical Sciences
Chemistry
Colloidal state and disperse state
Condensed Matter
Exact sciences and technology
General and physical chemistry
Inorganic chemistry
Physical and chemical studies. Granulometry. Electrokinetic phenomena
Physics
Soft Condensed Matter
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Summary:We describe the preparation of a “stiff” ferrosmectic. The domain of composition for which charged magnetic nanoparticles are included inside the aqueous layers of an Lα structure is narrow. This result is explained in terms of osmotic pressure equilibrium. Identification of biphasic regions allows the construction of the water corner of the phase diagram.
ISSN:0743-7463
1520-5827
DOI:10.1021/la950798d