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Random crystal-field effects in a mixed spin-1 and spin-3/2 ferrimagnetic Ising system

Author

Listed:
  • Souza, I.J.
  • de Arruda, P.H.Z.
  • Godoy, M.
  • Craco, L.
  • de Arruda, A.S.

Abstract

We study the mixed spin-1 and spin-3/2 ferrimagnetic Ising system under the effect of different random crystal-fields within the mean-field theory based on the Bogoliubov inequality for the Gibbs free energy. The phase diagrams are obtained in the plane of critical temperature versus random crystal-field, showing a tricritical behavior with second-order transition lines separating the first-order transition lines by tricritical points.

Suggested Citation

  • Souza, I.J. & de Arruda, P.H.Z. & Godoy, M. & Craco, L. & de Arruda, A.S., 2016. "Random crystal-field effects in a mixed spin-1 and spin-3/2 ferrimagnetic Ising system," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 444(C), pages 589-600.
    • Handle: RePEc:eee:phsmap:v:444:y:2016:i:c:p:589-600
    DOI: 10.1016/j.physa.2015.10.089
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