Spin compensation temperatures in the Oguchi approximation of the mixed spin-3 2 and spin-5 2 Isingferrimagnet

Abstract EN

Using the Oguchi lattice, mixed spin  3/ 2 and spin  5/ 2 Isingmodel with different anisotropies has been tested.

The Helmholtzfree energy of a mixed spin Blume-Capel ferrimagnet from Oguchi method of the Hamiltonian is calculated.

By reducing the free energy, the equilibrium magnetizations and compensation pointsare evaluated.

Explicitly, the influence of magnetic crystalline anisotropies, on the compensation phenomenon, acting on sublattice atoms A and Bhas been investigated, respectively.

The crystalline magnetic anisotropy dependence of Curie temperaturehas been discussed as well.

The results of this model has predict that the existence of many(two or three) compensation points in the orderedsystem with z  6 is strongly dependent on the crystalline magnetic anisotropy DB.