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Ferrimagnetism in the Heisenberg–Ising bilayer with magnetically non-equivalent planes

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  • Balcerzak, Tadeusz
  • Szałowski, Karol

Abstract

The Pair Approximation method is applied to the antiferromagnetic Heisenberg–Ising spin- 1/2 bilayer with a simple cubic crystalline structure. The method allows for self-consistent calculations of thermodynamic quantities, based on the determination of Gibbs free-energy. In the paper the phase diagrams and planar magnetizations are calculated for the system in question. Special attention is paid to the case of magnetically non-equivalent planes, one of which is additionally randomly diluted. The occurrence of a compensation phenomenon is found and the compensation temperature is discussed for such a system. The characteristic concentration of magnetic atoms p⋆, below which the compensation phenomenon vanishes, is examined as a function of the Hamiltonian parameters.

Suggested Citation

  • Balcerzak, Tadeusz & Szałowski, Karol, 2014. "Ferrimagnetism in the Heisenberg–Ising bilayer with magnetically non-equivalent planes," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 395(C), pages 183-192.
    • Handle: RePEc:eee:phsmap:v:395:y:2014:i:c:p:183-192
    DOI: 10.1016/j.physa.2013.10.013
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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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