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Issue 28, 2012
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Percolation and orientational ordering in systems of magnetic nanorods

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Abstract

Based on Monte Carlo (MC) computer simulations we study the structure formation of a system of magnetic nanorods. Our model particles consist of fused spheres with permanent magnetic dipole moments, as inspired by recent experiments. The resulting system behaves significantly different from that of a system of hard (non-magnetic) rods or magnetic rods with a single longitudinal dipole. In particular, we observe for the magnetic nanorods a significant decrease of the percolation threshold (as compared to non-magnetic rods) at low densities, and a stabilization of the high-density nematic phase. Moreover, the percolation threshold is tunable by an external magnetic field.

Graphical abstract: Percolation and orientational ordering in systems of magnetic nanorods

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Article information


Submitted
19 Mar 2012
Accepted
25 Apr 2012
First published
15 Jun 2012

Soft Matter, 2012,8, 7480-7489
Article type
Paper

Percolation and orientational ordering in systems of magnetic nanorods

C. E. Alvarez and S. H. L. Klapp, Soft Matter, 2012, 8, 7480
DOI: 10.1039/C2SM25636C

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