Abstract
We have investigated the magnetic phase transitions and compensation points in a series of molecular-based magnetic material using the Oguchi approximation. The considered system is a mixed spin-3/2 and spin-5/2 Blume-Capel Ising ferrimagnet with different single-ion anisotropies on both simple cubic and face-centered cubic lattices respectively. The minimized free energy of the mixed spin ferrimagnetic model has been used to extrapolate the equilibrium magnetizations and the compensation temperatures. The crystal field dependence of multicompensation phenomenon has mainly been investigated. The present study produces new results regarding the face-centered cubic lattice, which encourages future experimental works.
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