COMPENSATION TEMPERATURES OF MIXED SPIN-3/2 AND SPIN-5/2 FERRIMAGNETIC SYSTEM
Keywords:
Sublattice magnetization, Total magnetization, Mixed-spin Ising model, Ferrimagnet, Single-ion anisotropy, Compensation pointAbstract
Compensation points of The mixed spin-3/2 and spin-5/2 Ising ferrimagnetic system with different sublattice crystal- fields is studied within the mean-field theory based on Bogoliubov inequality for the Gibbs free energy. In order to clarify the characteristic behaviours in a series of molecular-based magnets, for example, the molecular magnetic material . The influence of two sublattice crystal fields, DA and DB, on compensation points is studied in detail. For certain crystal-field values, this mixed-spin model exhibits one, two or three compensation temperature depending on the values of the crystal-fields.
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