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Communication Dans Un Congrès Année : 2016

Electrical Bragg band gaps in piezoelectric plates with a periodic array of electrodes

Résumé

This paper concerns a piezoelectric bar or plate, poled along its thickness, that supports on its top and bottom surfaces a periodic grating of electrodes. An analytical model is developed considering wave propagation along the length of the plate/bar. It shows that an electrical Bragg band gap can be observed, depending on the electrical boundary conditions applied on the electrodes. This gap is associated with a discontinuity of the electric field between two successive unit cells. The model is validated with the finite element method. The paper shows that the electrical Bragg band gap is highly tunable and can be optimized by changing the orientation of the material.
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Dates et versions

hal-03299395 , version 1 (26-07-2021)

Identifiants

Citer

Clement Vasseur, Charles Croënne, Jerome O. Vasseur, Bertrand Dubus, Anne-Christine Hladky, et al.. Electrical Bragg band gaps in piezoelectric plates with a periodic array of electrodes. 2016 IEEE International Ultrasonics Symposium (IUS), Sep 2016, Tours, France. paper P3-C2-7, 4 p., ⟨10.1109/ULTSYM.2016.7728624⟩. ⟨hal-03299395⟩
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