磁各向异性的简单快速控制方法及其在薄膜磁阻抗元件中的应用

IF 1.1 4区物理与天体物理 Q4 ENGINEERING, ELECTRICAL & ELECTRONIC

IEEE Magnetics Letters Pub Date : 2025-07-18 DOI:10.1109/LMAG.2025.3590624

Hiroaki Kikuchi

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引用次数: 0

摘要

加强对磁性各向异性的控制是提高薄膜磁性器件性能的关键。我们开发了一种简单而有效的方法，将焦耳加热与磁场相结合，为传统的静态磁场退火提供了一种替代方案，传统的静态磁场退火通常需要复杂的设置，如加热器，真空系统，并以更高的功耗产生强磁场。我们的结果表明，该方法可以在很短的时间内应用于空气中的薄膜磁阻抗元件，而不会降低其性能。该研究还探讨了其他主题，包括局部控制、可逆性、适用材料的范围以及该方法的潜在局限性。

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Simple and Rapid Controlling Method of Magnetic Anisotropy and Its Application to Thin-Film Magnetoimpedance Elements

Enhancing the control of magnetic anisotropy is key to boosting the performance of thin-film magnetic devices. We developed a simple and efficient method that combines Joule heating with a magnetic field, offering an alternative to conventional static magnetic field annealing, which typically requires complex setups, such as heaters, vacuum systems, and generating strong magnetic field with higher power consumption. Our results demonstrate that this method can be applied to thin-film magnetoimpedance elements in air within a very short time, without degrading their performance. The study also explores additional topics, including localized control, reversibility, a range of applicable materials, and the potential limitations of the approach.

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来源期刊

IEEE Magnetics Letters PHYSICS, APPLIED-

CiteScore

2.40

自引率

0.00%

发文量

期刊介绍： IEEE Magnetics Letters is a peer-reviewed, archival journal covering the physics and engineering of magnetism, magnetic materials, applied magnetics, design and application of magnetic devices, bio-magnetics, magneto-electronics, and spin electronics. IEEE Magnetics Letters publishes short, scholarly articles of substantial current interest. IEEE Magnetics Letters is a hybrid Open Access (OA) journal. For a fee, authors have the option making their articles freely available to all, including non-subscribers. OA articles are identified as Open Access.