Controlling surface acoustic waves via magnetically-modulated contact resonances

被引：2
|
作者：
Palermo, A. [1 ,2 ]
Wang, Y. [1 ]
Celli, P. [1 ]
Daraio, C. [1 ]
机构：
[1] CALTECH, Dept Mech & Civil Engn, 1200 E Calif Blvd, Pasadena, CA 91125 USA
[2] Univ Bologna, Dept Civil Chem Environm & Mat Engn, Via Risorgimento 2, I-40136 Bologna, Italy
来源：
2019 THIRTEENTH INTERNATIONAL CONGRESS ON ARTIFICIAL MATERIALS FOR NOVEL WAVE PHENOMENA (METAMATERIALS)) | 2019年
基金：
美国国家科学基金会;
关键词：
D O I：
10.1109/metamaterials.2019.8900928
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：
We present a tabletop-scale realization of a tunable metamaterial platform to control surface acoustic waves (SAWs). The platform comprises an array of ferromagnetic beads controlled with permanent magnets, arranged atop an elastic substrate. We demonstrate the possibility of shifting the beads resonances and, in turn, tuning the SAWs bandgaps.
引用
收藏
页码：287 / 289
页数：3
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