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Structure and scattering in colloidal ferrofluids

TitleStructure and scattering in colloidal ferrofluids
Publication TypeJournal Article
Year of Publication2000
AuthorsCamp, PJ, Patey, GN
JournalPhysical Review E
Volume62
Pagination5403-5408
Date PublishedOct
Type of ArticleArticle
ISBN Number1063-651X
KeywordsDIPOLAR HARD-SPHERES, FLUIDS, LIQUID, LIVING, LOW-DENSITIES, MODEL POLAR CLUSTERS, MONTE-CARLO, orientational order, PHASES, POLYMERS, SYSTEMS
Abstract

The structure of a model colloidal ferrofluid, the dipolar hard-sphere fluid, at low temperature has been investigated using Monte Carlo simulations. Extensive particle association into chainlike and ringlike clusters is observed at low density. The structure factors have been calculated, and are analyzed with the aid of simple scaling arguments. We describe the progression of fluid structures from the low-density associated phase, to the high-density liquid phase. This paper may he of help in obtaining an experimental observation of a fluid-fluid transition in colloidal ferrofluids.

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