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Communication Dans Un Congrès Année : 2015

Tunable Bragg band gaps in piezocomposite phononic crystals

Résumé

Phononic Crystals made of piezoelectric composites with 1-3 connectivity are theoretically and experimentally studied. They present Bragg band gaps that depend on the periodic electrical boundary conditions. These structures have improved properties compared to bulk piezoelectric devices. Experimental results are compared to theoretical predictions, and show that the pass bands and stop-bands of the device under study are easily tunable by only changing the electrical boundary conditions applied on each piezocomposite layer.
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Dates et versions

hal-03299401 , version 1 (26-07-2021)

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Charles Croënne, Marie-Fraise Ponge, Anne-Christine Hladky, Mai Pham Thi, Franck Levassort, et al.. Tunable Bragg band gaps in piezocomposite phononic crystals. 2015 IEEE International Ultrasonics Symposium (IUS), Oct 2015, Taipei, Taiwan. pp.1-4, ⟨10.1109/ULTSYM.2015.0051⟩. ⟨hal-03299401⟩
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