基于磁阻抗、磁弹性共振和磁电的软磁材料传感器应用( Sensor Applications of Soft Magnetic Materials Based on Magneto-Impedance, Magneto-Elastic Resonance and Magneto-Electricity )

A García-Arribas J Gutiérrez G Kurlyandskaya J Barandiarán A Svalov E Fernández A Lasheras D De Cos I Bravo-Imaz Bibliography, Practical, Theoretical or Mathematical, Experimental/ amorphous magnetic materials damping laminates lubricating oils machinery magnetic field measurement magnetic multilayers magnetic resonance magnetic sensors magnetoelastic effects magnetoelectric effects Permalloy piezoelectric oscillations piezoelectric thin films polymer films sandwich structures soft magnetic materials thin film sensors viscosity measurement/ soft magnetic materials magnetoimpedance magnetoelastic resonance magnetoelectricity permalloy films thickness multilayer sandwiched structure fluid viscosity measurement real-time sensor development online sensor development lubricant oils degradation state assessment machinery damping parameter magnetoelastic oscillations oil viscosity magnetoelectric laminated composites amorphous magnetic ribbons piezoelectric polymer films magnetic field detection magnetic sensors magnetic coupling/ A0755 Magnetic instruments and techniques A0630L Measurement

所选软磁材料的优异性能使其成为构建高性能传感器的成功候选者。本文介绍了基于软磁材料的磁性能与其电性或弹性能耦合的各种传感技术的最新进展。首先，我们报道了多层夹层结构中坡莫合金膜厚度对磁阻抗响应的影响。在外加磁场的最佳条件下，阻抗变化为270%，低场敏度为140%/Oe。其次，利用非晶态薄带的磁弹性共振特性，论证了灵敏测量流体粘度的可能性，旨在开发一种在线、实时检测机械润滑油降解状态的传感器。本文提出了一种新的分析方法，可以灵敏地揭示磁弹性振荡在共振时阻尼参数随油粘度的变化。最后，研究了由非晶态磁带和压电聚合物薄膜组成的磁电层合复合材料的性能，证明了其在2.7nT以下的磁场探测能力。

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