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ME Effect at Magnetoacoustic Resonance Range

  • Mirza BichurinEmail author
  • Vladimir Petrov
Chapter
  • 666 Downloads
Part of the Springer Series in Materials Science book series (SSMATERIALS, volume 201)

Abstract

Resonant dependence of the ME voltage coefficient is investigated at overlapping the electromechanical and ferromagnetic resonances. A theoretical model predicts very strong ME interactions at magnetoacoustic resonance (MAR) in single-crystal ferrite-piezoelectric bilayer. In such bilayers, the ME interactions are mediated by mechanical strain. The theory predicts efficient transfer of energy between phonons, spin waves, and electric and magnetic fields at MAR. Ultrahigh ME coefficients, on the order of 80–480 V/cm Oe at 5–10 GHz, are expected for nickel ferrite-PZT and yttrium-iron garnet-PZT bilayers. Effects of exchange interactions on magnetoacoustic resonance are taken into account. We consider both direct ME effects and electric field induced magnetic excitations. The phenomenon is also of importance for the realization of multifunctional ME nanosensors/transducers operating at microwave frequencies.

Keywords

Piezoelectric Layer Bias Field Yttrium Iron Garnet Barium Strontium Titanate Magnetic Excitation 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

References

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Copyright information

© Springer Science+Business Media Dordrecht 2014

Authors and Affiliations

  1. 1.Electronic and Information SystemsNovgorod State UniversityVeliky NovgorodRussia

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