Highly sensitive surface acoustic wave magnetic field sensor based on the loss mechanism
Yutong Wu,
Baile Cui,
Yana Jia
et al.
Abstract:Currently, the surface acoustic wave (SAW) magnetic field sensing technique utilises the SAW velocity/frequency mechanism of magnetoacoustic interaction as an indicator of the magnetic sensitivity mechanism. However, this method has low sensitivity and poor stability. To address this problem, a dynamic magnetoelastic coupling theoretical model is constructed to theoretically simulate the influence of the ∆E effect of magnetically sensitive thin films on SAW propagation attenuation. This study describes a high-… Show more
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