Monte Carlo study of mixed spin-1/2 and spin-S Ising ferrimagnets on a simple cubic lattice

被引：2

作者：

Fouejio, D. ^{[1
]}

Noupa, C. ^{[2
]}

机构：

[1] Univ Yaounde I, Lab Sci Mat, Dept Phys, Fac Sci, Yaounde, Cameroon

[2] Univ Douala, Fac Sci, Dept Phys, Douala, Cameroon

来源：

PHYSICA B-CONDENSED MATTER | 2022年 / 626卷

关键词：

Mixed spin Ising model; Monte Carlo simulations; Phase diagrams; Compensation points; Ground state;

D O I：

10.1016/j.physb.2021.413489

中图分类号：

O469 [凝聚态物理学];

学科分类号：

070205 ;

摘要：

The magnetic properties of mixed spin-1/2 and spin-S (S > 1/2) Ising ferrimagnets on a simple cubic lattice with single-ion anisotropy acting on spins S atoms, was investigated using Monte Carlo calculations. We determined as a function of the crystal field (d), the ground state phase diagrams for different values of S and shown that those phases are separated from each other by second-order phase transitions. We also investigated the effects of crystal field on the critical temperature by calculating the finite-temperature phase diagrams for different values of S. In addition, we found that systems with integer spins S exhibit compensation points for 2.75 < d < 3.

引用

页数：6

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