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Magneto-acoustic resonance in layered structure of ferrite and piezoelectric bimorph
Ferroelectrics ( IF 0.6 ) Pub Date : 2020-12-09 , DOI: 10.1080/00150193.2020.1822676
Vladimir Petrov 1 , Alexey Saplev 1 , Gopalan Srinivasan 2
Affiliation  

Abstract The manuscript discusses a theoretical model that predicts a giant magnetoelectric (ME) coupling in laminates of ferrite and piezoelectric bimorph at the coincidence of electromechanical resonance for the electrical subsystem and ferromagnetic resonance for the ferrite. In such structures, the ME interaction is a result of mechanical strain. Using the piezoelectric bimorph gives rise to the excitation of high-order harmonic modes that are suppressed in ferrite-piezoelectric bilayers. ME coefficients, on the order of 590 V/A at 4.96 GHz, is predicted for the third resonance mode in laminate of yttrium-iron garnet and langatate bimorph. The phenomenon can be used for the realization of microwave sensors based on ME interaction.

中文翻译:

铁氧体和压电双压电晶片层状结构中的磁声共振

摘要 该手稿讨论了一个理论模型,该模型在电气子系统的机电共振和铁氧体的铁磁共振重合时预测铁氧体和压电双压电晶片层压板中的巨磁电 (ME) 耦合。在这种结构中,ME 相互作用是机械应变的结果。使用压电双压电晶片会激发在铁氧体-压电双层中被抑制的高次谐波模式。ME 系数在 4.96 GHz 时约为 590 V/A,预测为钇铁石榴石和 langatate 双晶叠层中的第三共振模式。该现象可用于基于ME交互的微波传感器的实现。
更新日期:2020-12-09
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