Monte Carlo simulation of the compensation and critical behaviors of a ferrimagnetic core/shell nanoparticle Ising model

Ahmed Zaim and Mohamed Kerouad

Physica A: Statistical Mechanics and its Applications, 2010, vol. 389, issue 17, 3435-3442

Abstract: A Monte Carlo simulation has been used to study the magnetic properties and the critical behaviors of a single spherical nanoparticle, consisting of a ferromagnetic core of σ=±12 spins surrounded by a ferromagnetic shell of S=±1, 0 or S=±12, ±32 spins with antiferromagnetic interface coupling, located on a simple cubic lattice. A number of characteristic phenomena has been found. In particular, the effects of the shell coupling and the interface coupling on both the critical and compensation temperatures are investigated. We have found that, for appropriate values of the system parameters, two compensation temperatures may occur in the present system.

Keywords: Nanoparticles; Compensation point; Ising model; Monte Carlo simulations (search for similar items in EconPapers)
Date: 2010
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Citations: View citations in EconPapers (1)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:phsmap:v:389:y:2010:i:17:p:3435-3442

DOI: 10.1016/j.physa.2010.04.034

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