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arXiv · 1203.4707

Percolation and orientational ordering in systems of magnetic nanorods

Carlos E. Alvarez·Sabine H. L. Klapp
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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 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.

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Carlos E. Alvarez, Sabine H. L. Klapp. 2012-03-21. Percolation and orientational ordering in systems of magnetic nanorods. https://arxiv.org/abs/1203.4707

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