梯度磁各向异性磁性微导线磁性能的纵向变换

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

IEEE Magnetics Letters Pub Date : 2022-08-16 DOI:10.1109/LMAG.2022.3199170

Alexander Chizhik;Paula Corte-León;Valentina Zhukova;Julian Gonzalez;Arcady Zhukov

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引用次数: 0

摘要

我们研究了在沿微导线长度分布的温度下进行应力退火的富钴和富铁微导线的磁光和磁行为。在不同温度下进行退火的区域之间存在磁性结构的转变。对于富含Co和Fe的微丝，观察到表面和本体之间的磁性行为的差异。根据微导线的类型，观察到螺旋磁性结构的形成和随后的转变。在低于100°C的温度下退火会影响微导线的磁性系统。这种效应是由于微导线所有部分的初始应力的微弱但明显的松弛，甚至在低温范围内也会发生这种松弛。

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Longitudinal Transformation of Magnetic Properties in Magnetic Microwires With Graded Magnetic Anisotropy

We studied the magneto-optical and magnetic behavior of Co- and Fe-rich microwires that were stress-annealed at temperatures distributed along the microwire length. There was a transformation of the magnetic structure across zones subjected to annealing at different temperatures. Differences in the magnetic behavior between the surface and bulk were observed for both Co- and Fe-rich microwires. The formation and subsequent transformation of a helical magnetic structure were observed, depending on the type of microwire. Annealing at temperatures below 100 °C affected the magnetic system of microwires. This effect is due to a weak but noticeable relaxation of the initial stresses in all parts of the microwire that even occurs in the low temperature range.

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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.