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The influence of dimensionality on the behavior of magnetic dipolar soft spheres: calculation of the pressure

Autor(en)
E. Minina, S. Kantorovich
Abstrakt

We investigate the influence of dimensionality of a sample on the properties of magnetic dipolar soft spheres. Molecular dynamics simulations and diagram expansion are employed to analyze the pressure and microscopic structure of model monodisperse magnetic fluids in a bulk and in a monolayer. We found that, for a broad range of densities and dipolar interaction strengths, strong geometrical confinement weakens the influence of the dipole–dipole interaction on the pressure and, as a result, steric repulsion of dipolar particles provides the main contribution to the thermodynamic properties of ferrofluids in strong confinement.

Organisation(en)
Computergestützte Physik und Physik der Weichen Materie
Externe Organisation(en)
Ural Federal University
Journal
Journal of Physics: Condensed Matter
Band
25
Anzahl der Seiten
7
ISSN
0953-8984
DOI
https://doi.org/10.1088/0953-8984/25/15/155102
Publikationsdatum
04-2013
Peer-reviewed
Ja
ÖFOS 2012
103015 Kondensierte Materie, 103017 Magnetismus
Schlagwörter
Link zum Portal
https://ucrisportal.univie.ac.at/de/publications/80809309-b1ae-46ac-92d1-a570ea8408e4