Computation of the exchange interactions in CaCu3Fe2Os2O12 quadruple perovskite: Monte Carlo Simulation

被引：0
|
作者：
El Ganich, Hajar [1 ]
El Rhazouani, Omar [1 ]
Ahmed, Youssef Ait [1 ]
Halimi, Abdellah [1 ]
El Mansouri, Khalifa [1 ]
Saad, Elmadani [1 ]
机构：
[1] Hassan First Univ Settat, High Inst Hlth Sci, Lab Sci & Hlth Technol, BP 555, Settat 26000, Morocco
来源：
PHYSICA E-LOW-DIMENSIONAL SYSTEMS & NANOSTRUCTURES | 2023年 / 150卷
关键词：
Quadruple perovskite Ca 2 Cu 3 Fe 2 Os 2 O 12; Exchange interaction; Monte Carlo Simulation; Internal energy at each site; Magnetization at each site; COUPLINGS CALCULATION;
D O I：
10.1016/j.physe.2023.115696
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
This paper focuses to establish a method for estimating the exchange interactions in Quadruple Perovskite CaCu3Fe2Os2O12, based on a correlation between internal energy and magnetism at each site and Monte Carlo Simulations (MCS) according to the Ising model. We have computed the exchange interactions using the experimental temperature value of this material, identified under an external field h = 0.1 T , using also a renormalization parameter alpha. The internal energy of each magnetic arrangement has been computed together with the magnetization at each site, the magnetic susceptibility, and the specific heat. Finally, a comparison of our simulation results with other has been performed. The Exchange interactions obtained are JCu_Fe = 13.15 meV, JCu_ Os = 37.58 meV, JFe_ Os = 46.98 meV , JCu_ Cu = 0.13 meV , JFe_Fe = 0.07 meV and JOs_ Os = 0.02 meV.
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页数：6
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