Abstract
The strain mediated microwave magnetoelectric coupling is studied in bilayers of ferrites with cubic anisotropy and piezoelectrics. The strength of magnetoelectric coupling is determined from data on ferromagnetic resonance frequency shift Δf versus applied electric field E. Studies at 6–10 GHz on samples of nickel zinc ferrite and polycrystalline lead zirconium titanate, lead magnesium niobate–lead titanate or lead zinc niobate-lead titanate (PZN–PT) show shifts Δf on the order of 30–150 MHz for E=10 kV/cm. Bilayers of nickel zinc ferrite and PZN-PT demonstrated the highest magnetoelectric coefficient of 5.3 Oe cm/kV. Theoretical estimates of the frequency shifts are in very good agreement with the data.
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