Feraoun, A. and Amraoui, S. and Kerouad, M. (2019) Magnetic properties of a mixed spin-(5/2, 2) Ising core/shell nanoparticle: Monte Carlo study. Physica A: Statistical Mechanics and its Applications, 526.

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Abstract

Using the Monte Carlo method, we have studied the effect of the Hamiltonian parameters (the exchange couplings, the crystal and the magnetic fields) on the magnetizations, the phase diagrams and the hysteresis behavior of a hexagonal ferromagnetic or ferrimagnetic Ising core/shell nanoparticle with mixed spin-5/2 and spin-2. Interesting phenomena have been shown. In particular, the system exhibits the first order transition, the compensation temperature and the compensation crystal field. In addition, the nanoparticle presents single, double, triple and quintuple hysteresis loops. © 2019 Elsevier B.V.

Item Type: Article
Uncontrolled Keywords: Hamiltonians; Hysteresis; Hysteresis loops; Magnetic couplings; Magnetic materials; Nanomagnetics; Nanoparticles, Blocking temperature; Compensation crystals; Compensation temperature; Core/shell nanoparticles; First order transitions; Hamiltonian parameters; Hysteresis behavior; Mixed spins, Monte Carlo methods
Subjects: Mathematics
Divisions: SCIENTIFIC PRODUCTION > Mathematics
Depositing User: Administrateur Eprints Administrateur Eprints
Last Modified: 31 Jan 2020 15:48
URI: http://eprints.umi.ac.ma/id/eprint/3842

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