並列摘要
The dynamics of systems of interacting ferromagnetic nanoparticles has been the focus of extensive research within the recent years. Magnetic fluids are colloidal suspensions of ferromagnetic particles covered with a surfactant layer, dispersed in a host liquid. Theoretical calculations, computer simulations and experiments indicate the possible existence of a ferromagnetic liquid state, although definitive experimental evidence is lacking. We discuss the appearance of ordered structures in assemblies of magnetic particles by Monte Carlo method. Several models of dipolar interacting systems have been studied in the literature. Numerical investigations were based on density functional approaches and Monte Carlo simulations. We use the simplest way to simulate the pattern formations in ferrofluids by considering only dipole-dipole interaction energy , Hammaker energy and Steric repulsion energy.
延伸閱讀
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