Resonance magnetoelectric effects in layered magnetostrictive-piezoelectric composites

M. I. Bichurin, D. A. Filippov, V. M. Petrov, V. M. Laletsin, N. Paddubnaya, and G. Srinivasan
Phys. Rev. B 68, 132408 – Published 15 October 2003
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Abstract

Magnetoelectric interactions in bilayers of magnetostrictive and piezoelectric phases are mediated by mechanical deformation. This work is concerned with the theory and companion data for magnetoelectric (ME) coupling at electromechanical resonance (EMR) in the layered samples. Estimated ME voltage coefficient versus frequency profiles for nickel, cobalt, or lithium ferrite and lead zirconate titanate (PZT) predict a giant ME effect at EMR with the highest coupling expected for cobalt ferrite-PZT. There is excellent agreement between the theory and data for layered nickel ferrite-PZT; the ME voltage coefficient at resonance increases by a factor of 40 compared to low frequency values. Similar measurements on layered ferromagnetic alloy-PZT and bulk ferrite-PZT reveal even a stronger EMR assisted enhancement in ME coupling.

  • Received 14 May 2003

DOI:https://doi.org/10.1103/PhysRevB.68.132408

©2003 American Physical Society

Authors & Affiliations

M. I. Bichurin, D. A. Filippov, and V. M. Petrov

  • Department of Physics and Engineering, Novgorod State University, B. S. Peterburgskaya St. 41, 173003 Veliky Novgorod, Russia

V. M. Laletsin and N. Paddubnaya

  • Institute of Technical Acoustics, National Academy of Sciences of Belarus, 210717 Vitebsk, Belarus

G. Srinivasan

  • Physics Department, Oakland University, Rochester, Michigan 48309, USA

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Issue

Vol. 68, Iss. 13 — 1 October 2003

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