Magnetic properties of mixed spin-5/2 and spin-2 Ising model on a decorated square lattice: A Monte Carlo simulation

被引：66
|
作者：
Jabar, A. [1 ]
Masrour, R. [1 ]
机构：
[1] Cadi Ayyad Univ, Natl Sch Appl Sci, Lab Mat Proc Environm & Qual, Safi 46000 63, Morocco
来源：
PHYSICA A-STATISTICAL MECHANICS AND ITS APPLICATIONS | 2019年 / 515卷
关键词：
Mixed spin-5/2 and spin-2; Decorated square lattice; Monte Carlo simulations; Superparamagnetism behavior; STATE PHASE-DIAGRAMS; COMPENSATION TEMPERATURES; ALTERNATE LAYERS; ORGANIC CATION; CRYSTAL-FIELD; EXCITATIONS; SYSTEM; FERRIMAGNETISM; HYSTERESIS; EXCHANGE;
D O I：
10.1016/j.physa.2018.09.190
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
The magnetic properties of mixed spin-5/2 and spin-2 Ising model on a decorated square lattice are studied using the Monte Carlo simulations. The ground state phase diagrams of mixed spin-5/2 and spin-2 Ising model on a decorated square lattice are obtained. The reduced transition temperature is obtained for different values of exchange interactions between mixed spins-5/2 and 2. The effect of reduced crystal field on the system are studied. The magnetic hysteresis cycles of the mixed spin-5/2 and spin-2 Ising model on a decorated square lattice for a several values of exchange interactions and reduced crystal field values have been found. Finally, the system exhibit the superparamagnetism behavior for d=-4 and for this value the total magnetization is equal to zero. (C) 2018 Elsevier B.V. All rights reserved.
引用
收藏
页码：270 / 278
页数：9
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