The critical behavior of a mixed ferromagnetic Ising spin system consisting of spin$-\tfrac{1}{2}$ and spin-1 with a crystal-field interaction is investigated by the use of the effective-field theory with correlations. The general expressions for evaluating the Curie temperature and the tricritical point are obtained. We find that the tricritical point exists in the system with Z >3, where Z is the coordination number.

Journal of the Physical Society of JapanAug 1, 1987121 citations

Zeitschrift für Physik A Hadrons and Nuclei

On the critical dynamics of isotropic ferromagnets below the curie point

Franz Schwabl

Published Feb 1, 1971• 24 citations

Publisher

DOI: 10.1007/bf01402648

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The critical behavior of a mixed ferromagnetic Ising spin system consisting of spin $-\tfrac{1}{2}$ and spin-1 with a crystal-field interaction is investigated by the use of the effective-field theory with correlations. The general expressions for evaluating the Curie temperature and the tricritical point are obtained. We find that the tricritical point exists in the system with Z >3, where Z is the coordination number.The critical behavior of a mixed ferromagnetic Ising spin system consisting of spin$-\tfrac{1}{2}$ and spin-1 with a crystal-field interaction is investigated by the use of the effective-field theory with correlations. The general expressions for evaluating the Curie temperature and the tricritical point are obtained. We find that the tricritical point exists in the system with Z >3, where Z is the coordination number.

Journal of the Physical Society of JapanAug 1, 1987121 citations

The critical behavior of a mixed ferromagnetic Ising spin system consisting of spin

-\tfrac{1}{2}

and spin-1 with a crystal-field interaction is investigated by the use of the effective-field theory with correlations. The general expressions for evaluating the Curie temperature and the tricritical point are obtained. We find that the tricritical point exists in the system with Z >3, where Z is the coordination number.