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通过退火优化富铁玻璃包覆微丝的磁阻抗效应和磁性能

Optimization of Magnetoimpedance Effect and Magnetic Properties of Fe-Rich Glass-Coated Microwires by Annealing.

作者信息

González Alvaro, García-Gomez Alfonso, Zhukova Valentina, Corte-Leon Paula, Ipatov Mihail, Blanco Juan Maria, Gonzalez Julian, Zhukov Arcady

机构信息

Department of Polymers and Advanced Materials: Physics, Chemistry and Technology, Faculty of Chemistry, University of the Basque Country (UPV/EHU), 20018 San Sebastian, Spain.

Departamento de Física Aplicada, Escuela de Ingeniería de Gipuzkoa, University of the Basque Country (UPV/EHU), 20018 San Sebastian, Spain.

出版信息

Sensors (Basel). 2023 Aug 28;23(17):7481. doi: 10.3390/s23177481.

DOI:10.3390/s23177481
PMID:37687937
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC10490706/
Abstract

As-prepared Fe-rich microwires with perfectly rectangular hysteresis loops present magnetization reversal through fast domain wall propagation, while the giant magnetoimpedance (GMI) effect in Fe-rich microwires is rather low. However, the lower cost of Fe-rich microwires makes them attractive for magnetic sensors applications. We studied the effect of conventional (furnace) annealing and Joule heating on magnetic-propertied domain wall (DW) dynamics and the GMI effect in two Fe microwires with different geometries. We observed that magnetic softness, GMI effect and domain wall (DW) dynamics can be substantially improved by appropriate annealing. Observed experimental results are discussed considering the counterbalance between the internal stresses relaxation and induced magnetic anisotropy associated with the presence of an Oersted magnetic field during Joule heating.

摘要

制备好的具有完美矩形磁滞回线的富铁微丝通过快速的磁畴壁传播实现磁化反转，而富铁微丝中的巨磁阻抗（GMI）效应相当低。然而，富铁微丝较低的成本使其在磁传感器应用中具有吸引力。我们研究了常规（炉内）退火和焦耳热对两种不同几何形状的铁微丝中磁畴壁（DW）动力学和GMI效应的影响。我们观察到，通过适当的退火可以显著改善磁软度、GMI效应和磁畴壁（DW）动力学。考虑到焦耳热过程中内应力松弛与与奥斯特磁场存在相关的感应磁各向异性之间的平衡，对观察到的实验结果进行了讨论。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e440/10490706/0f84888243e7/sensors-23-07481-g010.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e440/10490706/cc75d6ad998d/sensors-23-07481-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e440/10490706/4792ec49d803/sensors-23-07481-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e440/10490706/491a1d4b7c2b/sensors-23-07481-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e440/10490706/2a6b04fe7bf0/sensors-23-07481-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e440/10490706/05a99744535f/sensors-23-07481-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e440/10490706/7d957e2f54e8/sensors-23-07481-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e440/10490706/793505e41988/sensors-23-07481-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e440/10490706/7eb81483b1a8/sensors-23-07481-g008.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e440/10490706/ef155d3f5d36/sensors-23-07481-g009.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e440/10490706/0f84888243e7/sensors-23-07481-g010.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e440/10490706/cc75d6ad998d/sensors-23-07481-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e440/10490706/4792ec49d803/sensors-23-07481-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e440/10490706/491a1d4b7c2b/sensors-23-07481-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e440/10490706/2a6b04fe7bf0/sensors-23-07481-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e440/10490706/05a99744535f/sensors-23-07481-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e440/10490706/7d957e2f54e8/sensors-23-07481-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e440/10490706/793505e41988/sensors-23-07481-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e440/10490706/7eb81483b1a8/sensors-23-07481-g008.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e440/10490706/ef155d3f5d36/sensors-23-07481-g009.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e440/10490706/0f84888243e7/sensors-23-07481-g010.jpg

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本文引用的文献

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Sensors (Basel). 2022 Jan 29;22(3):1053. doi: 10.3390/s22031053.
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Enhancement of Magnetic and Tensile Mechanical Performances in Fe-Based Metallic Microwires Induced by Trace Ni-Doping.微量镍掺杂诱导铁基金属微丝磁性能和拉伸力学性能的增强
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磁性微丝中畴壁动力学工程综述。
Nanomaterials (Basel). 2020 Dec 1;10(12):2407. doi: 10.3390/nano10122407.
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