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Monte Carlo simulations of an Ising bilayer with non-equivalent planes

Author

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  • Diaz, I.J.L.
  • Branco, N.S.

Abstract

We study the thermodynamic and magnetic properties of an Ising bilayer ferrimagnet. The system is composed of two interacting non-equivalent planes in which the intralayer couplings are ferromagnetic while the interlayer interactions are antiferromagnetic. Moreover, one of the planes is randomly diluted. The study is carried out within a Monte Carlo approach employing the multiple histogram reweighting method and finite-size scaling tools. The occurrence of a compensation phenomenon is verified and the compensation temperature, as well as the critical temperature for the model, are obtained as functions of the Hamiltonian parameters. We present a detailed discussion of the regions of the parameter space where the compensation effect is present or absent. Our results are then compared to a mean-field-like approximation applied to the same model by Balcerzak and Szałowski (2014). Although the Monte Carlo and mean-field results agree qualitatively, our quantitative results are significantly different.

Suggested Citation

  • Diaz, I.J.L. & Branco, N.S., 2017. "Monte Carlo simulations of an Ising bilayer with non-equivalent planes," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 468(C), pages 158-170.
    • Handle: RePEc:eee:phsmap:v:468:y:2017:i:c:p:158-170
    DOI: 10.1016/j.physa.2016.10.055
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    Cited by:

    1. Gharaibeh, Maen & Obeidat, Abdalla & Qaseer, Mohammad-Khair & Badarneh, Mohammad, 2020. "Compensation and critical behavior of Ising mixed spin (1-1/2-1) three layers system of cubic structure," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 550(C).

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