Departamento de Física de Materiales, Facultad de Químicas, Universidad del País Vasco/Euskal Herriko Unibersitatea, UPV/EHU, Paseo Manuel de Lardizabal, 3, 20018 San Sebastian, Spain.
Departamento de Física Aplicada, EIG, Basque Country University, Universidad del País Vasco/Euskal Herriko Unibersitatea, UPV/EHU, 20018 San Sebastian, Spain.
Sensors (Basel). 2019 Nov 2;19(21):4767. doi: 10.3390/s19214767.
Thin magnetic wires can present excellent soft magnetic properties (with coercivities up to 4 A/m), Giant Magneto-impedance effect, GMI, or rectangular hysteresis loops combined with quite fast domain wall, DW, propagation. In this paper we overview the magnetic properties of thin magnetic wires and post-processing allowing optimization of their magnetic properties for magnetic sensor applications. We concluded that the GMI effect, magnetic softness or DW dynamics of microwires can be tailored by controlling the magnetoelastic anisotropy of as-prepared microwires or controlling their internal stresses and domain structure by appropriate thermal treatment.
细的金属丝可以呈现出极好的软磁性能(矫顽力高达 4A/m)、巨磁阻抗效应、GMI,或矩形磁滞回线,并结合相当快的畴壁、DW,传播。在本文中,我们综述了细金属丝的磁性和后处理,这使得可以优化其磁性能,以用于磁传感器应用。我们得出结论,GMI 效应、磁性柔软性或 DW 动力学可以通过控制制备好的金属丝的磁弹各向异性或通过适当的热处理来控制其内部应力和畴结构来调整。
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