Magnetization Dynamics Modeling in a Like Iron-Silicon Thin Film by the Micromagnetic Approach

IF 0.6 4区 材料科学 Q4 MATERIALS SCIENCE, MULTIDISCIPLINARY Journal of Magnetics Pub Date : 2023-09-30 DOI:10.4283/jmag.2023.28.3.245
Messaoud Boufligha, Lakhdar Bessissa, Djillali Mahi
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Abstract

Iron-silicon thin films used as a single layer or in sandwich structures are currently regarded as a promising candidate in high magnetic sensors. A detailed understanding of magnetization dynamics in such thin films is of great interest. In this work, we only focused on modeling the magnetization reversal. Numerical solution to the nonlinear Landau-Lifshitz-Gilbert (LLG) equation can be used to conduct the study. With the help of our developed Matlab code, the simulations were carried out. External field strength, damping parameter and temperature all have an impact on the speed of the magnetization reversal. The validation of our computations is achieved via a separate simulation. It relates to the solution of the standard problem proposed by the micromagnetic Modeling Activity G roup (μMAG ). The results are in agreement with the ones presented in the National Institute of Standards and Technology (NIST) website.
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类铁硅薄膜磁化动力学的微磁模拟
铁硅薄膜作为单层或夹层结构,目前被认为是高磁传感器中很有前途的候选材料。详细了解这种薄膜的磁化动力学是很有意义的。在这项工作中,我们只关注磁化反转的建模。非线性Landau-Lifshitz-Gilbert (LLG)方程的数值解可用于进行研究。在编写的Matlab代码的帮助下,进行了仿真。外加磁场强度、阻尼参数和温度对磁化反转速度均有影响。我们的计算是通过一个单独的模拟来验证的。它涉及微磁模拟活动G群(μMAG)提出的标准问题的解法。研究结果与美国国家标准与技术研究院(NIST)网站上公布的结果一致。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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来源期刊
Journal of Magnetics
Journal of Magnetics MATERIALS SCIENCE, MULTIDISCIPLINARY-PHYSICS, APPLIED
CiteScore
1.00
自引率
20.00%
发文量
44
审稿时长
2.3 months
期刊介绍: The JOURNAL OF MAGNETICS provides a forum for the discussion of original papers covering the magnetic theory, magnetic materials and their properties, magnetic recording materials and technology, spin electronics, and measurements and applications. The journal covers research papers, review letters, and notes.
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