A planar bilayer structure comprising an epitaxial film of yttrium iron garnet (YIG) ferrite film on a lead zirconate titanate (PZT) piezoelectric plate has been studied. It is shown both theoretically and experimentally that electric tuning of the resonant frequency is possible due to elastic-stress-induced variations of the field of uniaxial first-order anisotropy, while the field of uniaxial second-order anisotropy changes to a much lower degree. It is established that gluing of the ferrite and metal-coated piezoelectric layers rather insignificantly increases losses in the magnetostatic resonator.
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Original Russian Text © M.A. Popov, I.V. Zavislyak, 2012, published in Pis’ma v Zhurnal Tekhnicheskoi Fiziki, 2012, Vol. 38, No. 18, pp. 87–94.
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Popov, M.A., Zavislyak, I.V. Mechanism of electric frequency tuning in composite resonators based on epitaxial ferrite films. Tech. Phys. Lett. 38, 865–868 (2012). https://doi.org/10.1134/S1063785012090258
- Technical Physic Letter
- Frequency Tuning
- Piezoelectric Layer
- Epitaxial Film