Langmuir Monolayers of Monodispersed Magnetic Nanoparticles Coated with a Surfactant

Monolayers of hydrophobic magnetic nanoparticles are deposited on a water subphase in a Langmuir trough. The shape of the surface isotherms and the electron-micrograph pictures appear to be strongly dependent on the particle size. Small particles are organized in more compact aggregates than larger...

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Bibliographic Details
Published in:The journal of physical chemistry. B 1998-04, Vol.102 (15), p.2733-2738
Main Authors: Lefebure, S, Ménager, C, Cabuil, V, Assenheimer, M, Gallet, F, Flament, C
Format: Article
Language:English
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Summary:Monolayers of hydrophobic magnetic nanoparticles are deposited on a water subphase in a Langmuir trough. The shape of the surface isotherms and the electron-micrograph pictures appear to be strongly dependent on the particle size. Small particles are organized in more compact aggregates than larger ones. We interpret this behavior as a size-dependent balance between van der Waals and magnetic interparticle interactions.
ISSN:1520-6106
1520-5207
DOI:10.1021/jp980403+