Journal
JOURNAL OF PHYSICS-CONDENSED MATTER
Volume 25, Issue 15, Pages -Publisher
IOP PUBLISHING LTD
DOI: 10.1088/0953-8984/25/15/155102
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Funding
- FP7-IDEAS-ERC Grant PATCHYCOLLOIDS
- RFBR [mol-a 1202-31-374, mol-a-ved 12-02-33106]
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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.
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