Tunable Bragg band gaps in piezocomposite phononic crystals

被引：0
|
作者：
Croenne, Charles [1 ]
Ponge, Marie-Fraise [1 ]
Hladky-Hennion, Anne-Christine [1 ]
Mai Pham Thi [2 ]
Levassort, Franck [3 ]
Haumesser, Lionel [3 ]
机构：
[1] CNRS, IEMN, ISEN Dept, UMR 8520, Lille, France
[2] Thales Res & Technol, Palaiseau, France
[3] Univ Tours, CNRS, GREMAN, UMR 7347, Tours, France
来源：
2015 IEEE INTERNATIONAL ULTRASONICS SYMPOSIUM (IUS) | 2015年
关键词：
D O I：
10.1109/ULTSYM.2015.0051
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
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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页数：4
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