Magnetoelectric effect in layered disk-shaped magnetostrictive–piezoelectric structures: Theory and experiment


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Theoretical and experimental studies of the magnetoelectric effect in a disk-shaped magnetostrictive–piezoelectric structure in the electromechanical resonance region are presented. An expression for the magnetoelectric voltage coefficient is derived based on the simultaneous solution of elastodynamic and electrostatic equations separately for magnetostrictive and piezoelectric layers. The conditions at the interface were taken into account based on the premise that the interaction between layers is implemented by shear. It is shown that the inhomogeneity of the voltage and strain distribution over the sample thickness, caused by the interface, leads to a significant contribution to the effect in the case of thick layers. The theoretical and experimental dependences of the frequency characteristic of the effect are presented for the permendur–lead zirconate-titanate–permendur structure. The theoretical calculations are in good agreement with experimental data.

Sobre autores

D. Filippov

Yaroslav-the-Wise Novgorod State University

Autor responsável pela correspondência
Email: Dmitry.Filippov@novsu.ru
Rússia, ul. Sankt-Peterburgskaya 41, Novgorod the Great, 173003

G. Radchenko

Southern Federal University; Research Institute of Physics

Email: Dmitry.Filippov@novsu.ru
Rússia, ul. Bolshaya Sadovaya 105/42, Rostov-on-Don, 344006; pr. Stachki 194, Rostov-on-Don, 344090

V. Laletin

Institute of Technical Acoustics

Email: Dmitry.Filippov@novsu.ru
Belarus, ul. Lyudnikova 13, Vitebsk, 210023

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