A study of the dielectric and magnetic properties of multiferroic materials using the Monte Carlo method | Zendy

Alejandro Sosa | Zendy; N. S. Almodóvar | Zendy; J. Portelles | Zendy; J. Heiras | Zendy; J. M. Siqueiros | Zendy

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A study of the dielectric and magnetic properties of multiferroic materials using the Monte Carlo method

Author(s) -

Alejandro Sosa,

N. S. Almodóvar,

J. Portelles,

J. Heiras,

J. M. Siqueiros

Publication year - 2012

Publication title -

aip advances

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.421

H-Index - 58

ISSN - 2158-3226

DOI - 10.1063/1.3681189

Subject(s) - multiferroics , condensed matter physics , ferroelectricity , dielectric , polarization density , antiferromagnetism , materials science , magnetization , antiferroelectricity , monte carlo method , ferromagnetism , electric field , magnetoelectric effect , ising model , hamiltonian (control theory) , polarization (electrochemistry) , magnetic field , physics , chemistry , quantum mechanics , optoelectronics , statistics , mathematics , mathematical optimization

A study of the dielectric and magnetic properties of multiferroic materials using the Monte Carlo (MC) method is presented. Two different systems are considered: the first, ferroelectric-antiferromagnetic (FE-AFM) recently studied by X. S. Gaoand J. M. Liu and the second antiferroelectric-ferromagnetic (AFE-FM). Based on the DIFFOUR-Ising hybrid microscopic model developed by Janssen, a Hamiltonian that takes into account the magnetoelectric coupling in both ferroic phases is proposed. The obtained results show that the existence of such coupling modifies the ferroelectric and magnetic ordering in both phases. Additionally, it is shown that the presence of a magnetic or an electric field influences the electric polarization and the magnetization, respectively, making evident the magnetoelectric effect

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