10.1016/j.jmmm.2016.04.021

A theoretical study of the hysteresis behaviors of a transverse spin-1/2 Ising nanocube

Abstract

The applied magnetic field dependencies of the surface shell, core and total magnetizations of a transverse spin -I Ising nanocube are investigated within the effective -field theory with correlations, based on the probability distribution technique, for both ferro- and antiferromagnetic exchange interactions. We have found that interfacial coupling has a strong effect on the shape and the number of hysteresis loops and also on the coercive field and remanent magnetization behaviors. Furthermore, when the temperature exceeds a critical one, the coercivities of the core, the surface shell and the system become zero. (C) 2016 Elsevier B.V. All rights reserved

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