Volume 46, Number 2, April II 1999
|Page(s)||211 - 216|
|Section||Condensed matter: structure, mechanical and thermal properties|
|Published online||01 September 2002|
Irreversible deposition of magnetic particles on solid surfaces
Institut Charles Sadron (CNRS-ULP) 6, rue Boussingault,
67083 Strasbourg Cedex, France
2 Institut National de la Santé et de la Recherche Médicale, Unité 424 Fédération de Recherche "Odontologie", Université Louis Pasteur 11, rue Humann, 67085 Strasbourg Cedex, France
3 Swiss Federal Institute of Technology-Zurich Grabenstrasse 3, CH-8952 Schlieren, Switzerland
4 Ecole Européenne de Chimie, Polymères et Matériaux, BP 296F 1, rue Blaise Pascal, 67008 Strasbourg Cedex, France
Accepted: 11 February 1999
The irreversible deposition of particles with field-induced magnetic moments perpendicular to the deposition surface provides a model system for exploring the effect of interparticle interactions that are independent of any particle/surface interactions. It is shown, for the first time, that interparticle interactions can influence crucially the particle configurations formed on the surface solely through the trapping of particles away from that surface. This effect is illustrated by the comparison of the radial distribution functions and of the number density fluctuations in two experimental conditions aimed at revealing the influence of the magnetic field.
PACS: 68.10.Jy – Kinetics (evaporation, adsorption, condensation, catalysis, etc.) / 82.65.-i – Surface and interface chemistry / 82.70.Dd – Colloids
© EDP Sciences, 1999
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