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.
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页数：6
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