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Influence of the particle shape on the equilibrium morphologies of supracolloidal magnetic filaments

E. S. Pyanzina1 - E. V. Novak1 - D. A. Rozhkov2 - A. V. Gudkova1 - P. A. Sánchez2

1 Ural Federal University, 51 Lenin ave., 620000 Ekaterinburg, Russia
2 University of Vienna, Sensengasse 8, 1090, Vienna, Austria

We investigate equilibrium morphologies of linear and ring-shaped magnetic filaments made from crosslinked ferromagnetic spherical or ellipsoidal colloidal particles. Using Langevin dynamics simulations, we calculate the radius of gyration and the total magnetic moment of a single filament at zero field and different temperatures, analyzing the influence of the particles shape, the strength of their magnetic moment and the filament length. Our results show that, among such parameters, the shape of the particles has the strongest qualitative impact on the equilibrium behavior of the filaments. Figs 3, Refs 10.

Magnetohydrodynamics 54, No. 1/2, 103-108, 2018 [PDF, 0.61 Mb]

Copyright: Institute of Physics, University of Latvia
Electronic edition ISSN 1574-0579
Printed edition ISSN 0024-998X