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An Acoustic Resonator with a Radial Exciting Electric Field

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Bulletin of the Russian Academy of Sciences: Physics Aims and scope

Abstract

A new type of piezoceramic acoustic disk resonator with a radial exciting electric field is described. The resonator is a disk made from 6mm crystallographic material using two round concentric metal electrodes with a gap between them placed on one side of the disk. Models of a free resonator and a resonator loaded with a film of finite thickness are presented. The characteristics of different acoustic modes for resonators made of BPZT-3 piezoelectric ceramic are calculated for different widths of electrodes and the gaps between them.

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Funding

This work was supported in part by the RF Ministry of Science and Higher Education as a state assignment project and in part by the Russian Foundation for Basic Research (project no. 20-07-00602).

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Correspondence to A. A. Teplykh.

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Translated by G. Dedkov

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Teplykh, A.A., Zaitsev, B.D., Semyonov, A.P. et al. An Acoustic Resonator with a Radial Exciting Electric Field. Bull. Russ. Acad. Sci. Phys. 85, 670–674 (2021). https://doi.org/10.3103/S106287382106023X

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  • DOI: https://doi.org/10.3103/S106287382106023X

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