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Communication Dans Un Congrès Année : 2014

Band gap formation and elastic wave transmission in two-dimentional surface phononic crystal

Résumé

Using finite element method analysis of surface acoustic wave (SAW) propagation in the phononic crystal in a form of periodic lattice from nickel pillars, located on a piezoelectric substrate of Y+128°-cut LiNbO3, has been conducted. Amplitude and phase characteristics of SAW propagation through said structure have been numerically studied and the change in the formed stopbands width and center frequency, related with geometric parameters of the phononic crystal changing, was analyzed. The numerical results were compared with the experimental measurements.
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Dates et versions

hal-01018435 , version 1 (04-07-2014)

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  • HAL Id : hal-01018435 , version 1

Citer

Sergey Yankin, Abdelkrim Talbi, Yu Du, Jean-Claude Gerbedoen, Vladimir Preobrazhensky, et al.. Band gap formation and elastic wave transmission in two-dimentional surface phononic crystal. 17èmes Journées Nationales du Réseau Doctoral en Micro-Nanoélectronique, JNRDM 2014, 2014, Villeneuve d'Ascq, France. 4 p. ⟨hal-01018435⟩
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