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(Color online) Illustration of the resonator and its dimensions.
(a) Equivalent circuit of a piezoelectric resonator near a resonance. (b) Capacitances and are related to the slopes of the linear part before and after the resonance in the frequency spectrum of the susceptance.
Typical measured susceptance spectra for .
Electromechanical coupling coefficient as a function of the aspect ratio. The line is from the unified formula [Eq. (1)], the squares are results calculated using Eq. (5), and the solid circles are results from the averaging scheme.
Measured material constants of Motorola PZT3203HD.
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