Article ID Journal Published Year Pages File Type
7938696 Superlattices and Microstructures 2018 27 Pages PDF
Abstract
In this work, we have focused on the random crystal field effects on the phase diagrams of the mixed spin-1 and spin-5/2 Ising system obtained by utilizing the exact recursion relations (ERR) on the Bethe lattice (BL). The distribution function P(Di)=pδ[Di−D(1+α)]+(1−p)δ[Di−D(1−α)] is used to randomize the crystal field.The phase diagrams are found to exhibit second- and first-order phase transitions depending on the values of α, D and p. It is also observed that the model displays tricritical point, isolated point, critical end point and three compensation temperatures for suitable values of the system parameters.
Related Topics
Physical Sciences and Engineering Materials Science Electronic, Optical and Magnetic Materials
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