Magnetic properties of La2CuMnO6 double perovskite ceramic investigated by Monte Carlo simulations

doi:10.1088/1674-1056/ab7d95

中国物理B ›› 2020, Vol. 29 ›› Issue (5): 56101-056101.doi: 10.1088/1674-1056/ab7d95

• CONDENSED MATTER: STRUCTURAL, MECHANICAL, AND THERMAL PROPERTIES • 上一篇下一篇

Magnetic properties of La₂CuMnO₆ double perovskite ceramic investigated by Monte Carlo simulations

S Mtougui, I EL Housni, N EL Mekkaoui, S Ziti, S Idrissi, H Labrim, R Khalladi, L Bahmad

1 Laboratoire de la Matière Condensée et des Sciences Interdisciplinaires(LaMCScI), Mohammed V University of Rabat, Faculty of Sciences, B. P. 1014 Rabat, Morocco;
2 Intelligent Processing and Security Systems, Mohammed V University of Rabat, Faculty of Sciences, B. P. 1014 Rabat, Morocco;
3 USM/DERS/Centre National de l'Energie, des Sciences et des Techniques Nucleaires(CNESTEN), Rabat, Morocco

收稿日期:2019-11-12 修回日期:2020-02-14 出版日期:2020-05-05 发布日期:2020-05-05
通讯作者: S Mtougui, L Bahmad E-mail:sara.mtougui@gmail.com;lahou2002@gmail.com

Magnetic properties of La₂CuMnO₆ double perovskite ceramic investigated by Monte Carlo simulations

S Mtougui¹, I EL Housni¹, N EL Mekkaoui¹, S Ziti², S Idrissi¹, H Labrim³, R Khalladi¹, L Bahmad¹

1 Laboratoire de la Matière Condensée et des Sciences Interdisciplinaires(LaMCScI), Mohammed V University of Rabat, Faculty of Sciences, B. P. 1014 Rabat, Morocco;
2 Intelligent Processing and Security Systems, Mohammed V University of Rabat, Faculty of Sciences, B. P. 1014 Rabat, Morocco;
3 USM/DERS/Centre National de l'Energie, des Sciences et des Techniques Nucleaires(CNESTEN), Rabat, Morocco

Received:2019-11-12 Revised:2020-02-14 Online:2020-05-05 Published:2020-05-05
Contact: S Mtougui, L Bahmad E-mail:sara.mtougui@gmail.com;lahou2002@gmail.com

摘要/Abstract

摘要： We present a theoretical study of the magnetic properties of the lanthanum copper manganate double perovskite La₂CuMnO₆ ceramic, using Monte Carlo simulations. We analyze and discuss the ground state phase diagrams in different planes to show the effect of every physical parameter. Based on the Monte Carlo simulations, which combine Metropolis algorithm and Ising model, we explore the thermal behavior of the total magnetization and susceptibility. We also present and discuss the influence of physical parameters such as the external magnetic field, the exchange coupling interactions between magnetic atoms, and the exchange magnetic field on the magnetization of the system. Moreover, the critical temperature of the system is about T_c=70 K, in agreement with the experimental value. Finally, the hysteresis loops of La₂CuMnO₆ are discussed.

关键词: double perovskite La₂CuMnO₆, Monte Carlo simulations, Ising model, hysteresis loops, Metropolis algorithm, critical temperature

Abstract: We present a theoretical study of the magnetic properties of the lanthanum copper manganate double perovskite La₂CuMnO₆ ceramic, using Monte Carlo simulations. We analyze and discuss the ground state phase diagrams in different planes to show the effect of every physical parameter. Based on the Monte Carlo simulations, which combine Metropolis algorithm and Ising model, we explore the thermal behavior of the total magnetization and susceptibility. We also present and discuss the influence of physical parameters such as the external magnetic field, the exchange coupling interactions between magnetic atoms, and the exchange magnetic field on the magnetization of the system. Moreover, the critical temperature of the system is about T_c=70 K, in agreement with the experimental value. Finally, the hysteresis loops of La₂CuMnO₆ are discussed.

Key words: double perovskite La₂CuMnO₆, Monte Carlo simulations, Ising model, hysteresis loops, Metropolis algorithm, critical temperature

中图分类号: (Structural modeling: serial-addition models, computer simulation)

61.43.Bn

75.75.-c (Magnetic properties of nanostructures) 67.30.er (Magnetic properties, NMR) 76.60.Jx (Effects of internal magnetic fields)

S Mtougui, I EL Housni, N EL Mekkaoui, S Ziti, S Idrissi, H Labrim, R Khalladi, L Bahmad. Magnetic properties of La₂CuMnO₆ double perovskite ceramic investigated by Monte Carlo simulations[J]. 中国物理B, 2020, 29(5): 56101-056101.

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Magnetic properties of La₂CuMnO₆ double perovskite ceramic investigated by Monte Carlo simulations

Magnetic properties of La₂CuMnO₆ double perovskite ceramic investigated by Monte Carlo simulations

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