Computational prediction of phase-stability skyrmion maps, internal magnetic configuration, and size of magnetic skyrmions in confined magnetic nanostructures

IF 2.5 3区材料科学 Q3 MATERIALS SCIENCE, MULTIDISCIPLINARY

Journal of Magnetism and Magnetic Materials Pub Date : 2025-03-15 DOI:10.1016/j.jmmm.2025.172960

A.E. Vidal , J.W. Alegre , Y. Núñez , H.N. Vergara , J.I. Costilla , A. Talledo , B.R. Pujada

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引用次数: 0

Abstract

In this paper, we present a computational study predicting the phase-stability skyrmion maps, internal magnetic configuration, and radii of magnetic skyrmions in rectangular magnetic nanostructures, using machine learning (ML) algorithms. The rectangular magnetic nanostructures have a fixed length of 128 nm and variable widths ranging from 56 and 128 nm. The study considers different values of perpendicular magnetic anisotropy and the Dzyaloshinskii-Moriya interaction constants. Artificial neural networks (ANNs) and Generative Adversarial Networks (GANs) were successfully employed to predict phase-stability skyrmion maps, internal magnetization images, and magnetization profiles along the z-axes for circular magnetic skyrmions. These predictions were validated through simulations using the micromagnetic Mumax3 program, demonstrating the success of the machine learning approach despite the complexity of the magnetic interactions. The results of this work highlight the potential of machine learning algorithms in advancing the study of magnetic skyrmions in confined magnetic nanostructures by accurately predicting a wide range of scenarios in a significant short time.

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来源期刊

Journal of Magnetism and Magnetic Materials 物理-材料科学：综合

CiteScore

5.30

自引率

11.10%

发文量

1149

审稿时长

59 days

期刊介绍： The Journal of Magnetism and Magnetic Materials provides an important forum for the disclosure and discussion of original contributions covering the whole spectrum of topics, from basic magnetism to the technology and applications of magnetic materials. The journal encourages greater interaction between the basic and applied sub-disciplines of magnetism with comprehensive review articles, in addition to full-length contributions. In addition, other categories of contributions are welcome, including Critical Focused issues, Current Perspectives and Outreach to the General Public. Main Categories: Full-length articles: Technically original research documents that report results of value to the communities that comprise the journal audience. The link between chemical, structural and microstructural properties on the one hand and magnetic properties on the other hand are encouraged. In addition to general topics covering all areas of magnetism and magnetic materials, the full-length articles also include three sub-sections, focusing on Nanomagnetism, Spintronics and Applications. The sub-section on Nanomagnetism contains articles on magnetic nanoparticles, nanowires, thin films, 2D materials and other nanoscale magnetic materials and their applications. The sub-section on Spintronics contains articles on magnetoresistance, magnetoimpedance, magneto-optical phenomena, Micro-Electro-Mechanical Systems (MEMS), and other topics related to spin current control and magneto-transport phenomena. The sub-section on Applications display papers that focus on applications of magnetic materials. The applications need to show a connection to magnetism. Review articles: Review articles organize, clarify, and summarize existing major works in the areas covered by the Journal and provide comprehensive citations to the full spectrum of relevant literature.