High-Performance Magnetoresistance-Superconducting-Soft-Magnetic Composited Magnetic Sensor

IF 1.7 3区物理与天体物理 Q3 ENGINEERING, ELECTRICAL & ELECTRONIC

IEEE Transactions on Applied Superconductivity Pub Date : 2024-12-20 DOI:10.1109/TASC.2024.3521006

Yue Wu;Liye Xiao;Siyuan Han;Jiamin Chen

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Abstract

The magnetoresistance-superconducting composited magnetic sensor is a novel high-sensitivity weak magnetic sensor with significant application potential in fields such as biomedical science and geological exploration. However, the current superconducting flux concentrators face the issue of saturation in magnetic field amplification, which limits further improvement in the magnetic field resolution of the composited sensors. This article proposes a new type of magnetoresistance-superconducting-soft-magnetic composited sensor, which utilizes a superconducting planar gradient coil combined with soft magnetic plates to form a composite flux concentration structure. This design not only enhances the magnetic field amplification but also suppresses the interference of magnetic fields in nondetection directions. Theoretical simulations and experimental results indicate that the magnetic field sensitivity of this novel composited sensor is 3.2 times higher than that of magnetoresistance-superconducting composited sensors. This work is of great significance for the research on magnetoresistance sensors.

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高性能磁阻-超导-软磁复合磁传感器

磁阻-超导复合磁传感器是一种新型的高灵敏度弱磁传感器，在生物医学和地质勘探等领域具有重要的应用潜力。然而，目前超导磁通聚光器在磁场放大方面存在饱和问题，限制了复合传感器磁场分辨率的进一步提高。本文提出了一种新型磁阻-超导-软磁复合传感器，该传感器利用超导平面梯度线圈与软磁板结合形成复合磁通集中结构。这种设计不仅增强了磁场放大，而且抑制了非探测方向磁场的干扰。理论模拟和实验结果表明，该复合传感器的磁场灵敏度比磁阻-超导复合传感器高3.2倍。这项工作对磁阻传感器的研究具有重要意义。

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

IEEE Transactions on Applied Superconductivity 工程技术-工程：电子与电气

CiteScore

3.50

自引率

33.30%

发文量

650

审稿时长

2.3 months

期刊介绍： IEEE Transactions on Applied Superconductivity (TAS) contains articles on the applications of superconductivity and other relevant technology. Electronic applications include analog and digital circuits employing thin films and active devices such as Josephson junctions. Large scale applications include magnets for power applications such as motors and generators, for magnetic resonance, for accelerators, and cable applications such as power transmission.