方八边形晶格的磁性能和磁相变：蒙特卡罗研究

IF 1.2 4区材料科学 Q4 MATERIALS SCIENCE, MULTIDISCIPLINARY

Philosophical Magazine Letters Pub Date : 2021-07-03 DOI:10.1080/09500839.2021.1922775

A. Jabar, R. Masrour, M. Hamedoun, A. Benyoussef, A. Hourmatallah, N. Benzakour, A. Rezzouk, K. Bouslykhane, J. Kharbach

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引用次数: 1

摘要

摘要用蒙特卡罗模拟方法研究了自旋为3/2和5/2的正方形八边形晶格的磁性能和磁相变。在晶体场和交换相互作用的作用下，得到了方八边形结构的基态相图。在固定的磁参数下，得到了方八边形晶格的热部分磁化率、总磁化率和磁化率。注意到内埃尔温度降低。给出了方八边形结构的总磁化率随晶体场的变化。具有混合自旋S的方形八边形结构的磁滞循环 = 3/2和σ = 发现了几种交换相互作用、温度和晶体场的5/2。

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Magnetic properties and magnetic phase transition in square-octagon lattice: Monte Carlo study

ABSTRACT The magnetic properties and magnetic phase transition in square-octagon lattice with mixed spins 3/2 and 5/2 were investigated by Monte Carlo simulations. The ground state phase diagrams of square-octagon structure were obtained under the effect of crystal field and exchange interactions. The thermal partial, total magnetizations and magnetic susceptibilities of square-octagon lattice are obtained for a fixed magnetic parameter. The reduced Néel temperature is noticed. The variation of total magnetizations with the crystal field of square-octagon structure is shown. The magnetic hysteresis cycle of square-octagon structure, with mixed spins S = 3/2 and σ = 5/2 for several exchange interactions, temperatures and crystal fields, is found.

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来源期刊

Philosophical Magazine Letters 物理-物理：凝聚态物理

CiteScore

2.60

自引率

0.00%

发文量

审稿时长

2.7 months

期刊介绍： Philosophical Magazine Letters is the rapid communications part of the highly respected Philosophical Magazine, which was first published in 1798. Its Editors consider for publication short and timely contributions in the field of condensed matter describing original results, theories and concepts relating to the structure and properties of crystalline materials, ceramics, polymers, glasses, amorphous films, composites and soft matter. Articles emphasizing experimental, theoretical and modelling studies on solids, especially those that interpret behaviour on a microscopic, atomic or electronic scale, are particularly appropriate. Manuscripts are considered on the strict condition that they have been submitted only to Philosophical Magazine Letters , that they have not been published already, and that they are not under consideration for publication elsewhere.