Magnetic Field Tunable Electromechanical Resonance Properties of Magnetoelectric Bilayer

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Abstract:

The present paper focuses on the magnetoelectric coupling in dimensionally graded ferrite-piezoelectric bilayers in the electromechanical resonance region. Using the bilayer as a transducer which converts the ac magnetic field into an ac electric field shows that the transmission coefficient equals approximately -83 dB for zero bias magnetic field and -44 dB for bias field of 340 Oe. Thus, applying the DC field enables one to obtain the transmission coefficient variation range of 39 dB for the investigated structure. The phenomenon is of importance for the realization of multifunctional magnetoelectric devices including sensors and transducers operating at microwave frequencies.

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Solid State Phenomena (Volumes 233-234)

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349-352

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July 2015

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© 2015 Trans Tech Publications Ltd. All Rights Reserved

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