Browsing by Author "Renaud, P."

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    Magnetization switching of interacting ferromagnetic nanocluster assemblies
    (Elsevier, 2014) Drifa, B.; Denis, L.; Ali, L.; Renaud, P.
    We have calculated by Monte Carlo simulation (MC) the temperature variation of the ac-susceptibility of cobalt nanoclusters, located at the vertices of periodic lattices, and interacting via dipolar interactions. Our study focuses on the dimensionality effect, so one or two dimensional assemblies have been considered. Opposite effects on the peak height and location of the two ac-susceptibility components have been observed, depending on the easy axis is in the plane of the assembly or perpendicular to it. Furthermore, we have investigated the energy barrier distribution in the presence of dipolar interactions. © 2014 The Authors. Published by Elsevier B.V. This is an open access article under the CC BY-NC-ND license