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Electrically tunable microwave filters based on ferromagnetic resonance in ferrite-ferroelectric bilayers

Electrically tunable microwave filters based on ferromagnetic resonance in ferrite-ferroelectric bilayers

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Published

The design and analysis of a new class of electric field-tunable ferrite-ferroelectric microwave bandpass filter is discussed. The tunability is possible through magnetoelectric interactions. When the composite is subjected to an electric field, the mechanical deformation due to piezoelectric effect manifests as a magnetic field shift in the ferromagnetic resonance for the ferrite. The electrical tuning is much faster than traditional magnetic tuning and has practically zero power consumption.

Inspec keywords: microwave filters; ferroelectric devices; band-pass filters; piezoelectricity; ferromagnetic resonance; ferrite filters

Other keywords: electrical tuning; electrically tunable microwave filters; ferrite-ferroelectric bilayers; ferromagnetic resonance; electric field-tunable microwave bandpass filter; power consumption; piezoelectric effect; magnetic field shift; magnetoelectric interactions; magnetic tuning; mechanical deformation

Subjects: Ferroelectric devices; Other magnetic material applications and devices; Waveguide and microwave transmission line components; Filters and other networks

References

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      • G. Srinivasan , E.T. Rasmussen , J. Gallegos , R. Srinivasan , Yu.I. Bokhan , V.M. Laletin . Magnetoelectric bilayer and multilayer structures of magnetostrictive and piezoelectric oxides. Phys. Rev. B
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