矫顽力
磁铁
弹簧(装置)
凝聚态物理
材料科学
蒙特卡罗方法
微磁学
工作(物理)
透视图(图形)
工程物理
铁磁性
纳米技术
机械工程
磁场
计算机科学
物理
工程类
磁化
统计
数学
量子力学
人工智能
出处
期刊:Materials
[Multidisciplinary Digital Publishing Institute]
日期:2022-09-20
卷期号:15 (19): 6506-6506
被引量:7
摘要
The paper refers to the spring-exchange magnetic systems containing magnetically soft and hard phases. This work consists of two parts. The first part is a brief review of hard magnetic materials, with special attention paid to ultra-high coercive compounds, as well as selected spring-exchange systems. The second part is a theoretical discussion based on the Monte Carlo micromagnetic simulations about the possible enhancement of the hard magnetic properties of systems composed of magnetically soft, as well as high and ultra-high coercive, phases. As shown, the analyzed systems reveal the potential for improving the |BH|max parameter, filling the gap between conventional and Nd-based permanent magnets. Moreover, the carried-out simulations indicate the advantages and limitations of the spring-exchange composites, which could lead to a reduction in rare earth elements in permanent magnet applications.
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