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Magnetic properties of an anti-ferromagnetic and ferrimagnetic mixed spin-1/2 and spin-5/2 Ising model in the longitudinal magnetic field within the effective-field approximation

Author

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  • Deviren, Bayram
  • Keskin, Mustafa
  • Canko, Osman

Abstract

The magnetic properties of an anti-ferromagnetic and ferrimagnetic mixed spin-1/2 and spin-5/2 Ising model with a crystal field in a longitudinal magnetic field on the honeycomb (z=3) and square lattice (z=4) are studied by using the effective-field theory with correlations. The ground state phase diagram of the model is obtained in the longitudinal magnetic field (h) and a single-ion potential or crystal-field interaction (Δ) plane. We also investigate the thermal variations of the sublattice and total magnetizations, and present the phase diagrams in the (Δ/|J|, kBT/|J|) plane. The phase diagrams have one, two or even three compensation temperatures depending on the values of the crystal-field interaction. Moreover, the susceptibility, internal energy and specific heat of the system are numerically examined, and some interesting phenomena in these quantities are found due to the applied longitudinal magnetic field.

Suggested Citation

  • Deviren, Bayram & Keskin, Mustafa & Canko, Osman, 2009. "Magnetic properties of an anti-ferromagnetic and ferrimagnetic mixed spin-1/2 and spin-5/2 Ising model in the longitudinal magnetic field within the effective-field approximation," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 388(9), pages 1835-1848.
    • Handle: RePEc:eee:phsmap:v:388:y:2009:i:9:p:1835-1848
    DOI: 10.1016/j.physa.2009.01.032
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    Cited by:

    1. De La Espriella, N. & Madera, J.C. & Sánchez-Caraballo, A., 2018. "Reentrant and spin compensation phenomena in an Ising type ferrimagnetic system," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 511(C), pages 289-301.

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