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Journal of Electroceramics

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01-12-2007

Resonant frequency temperature coefficients for the piezoelectric resonators working in various vibration modes

Authors: J. Erhart, L. Rusin, L. Seifert

Published in: Journal of Electroceramics | Issue 4/2007

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Abstract

Resonant frequency temperature coefficient is dependent on material properties, resonator dimensions and vibration mode. It could be effectively tuned by the resonator dimensions or by the domain structure in ferroelectric crystals. Optimum dimensions for the zero temperature coefficient resonator are calculated for ring radial vibration mode as a function of resonator dimensions (r ₂/r ₁ = 3.8 for hard PZT ceramics, APC841 type). There are similar results of the temperature coefficient calculations for PZT ceramics and crystal resonators. The temperature coefficient is generally smaller for higher overtones of resonant mode.

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Title: Resonant frequency temperature coefficients for the piezoelectric resonators working in various vibration modes
Authors: J. Erhart
L. Rusin
L. Seifert
Publication date: 01-12-2007
Publisher: Springer US
Published in: Journal of Electroceramics / Issue 4/2007
Print ISSN: 1385-3449
Electronic ISSN: 1573-8663
DOI: https://doi.org/10.1007/s10832-007-9062-1

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