Abstract
A finite-element method is employed to model layered Surface Acoustic Wave (SAW) two port delay lines, with a zinc oxide (ZnO) thin film guiding layer. The structure is based on x-cut, y-propagating LiNbO<sub>3</sub> substrate. Conditions that model the realistic electrical and mechanical boundary values are applied to the structure to analyze the electromechanical properties of the SAW device. Transient analyses are performed and the frequency responses are calculated using the FFT. Simulation results show good agreement with experimental results, indicating that a finite-element method is an appropriate approach for modeling layered SAW devices.
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