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Observation of band gaps in the gigahertz range and deaf bands in a hypersonic aluminum nitride phononic crystal slab
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10.1063/1.3598425
/content/aip/journal/apl/98/23/10.1063/1.3598425
http://aip.metastore.ingenta.com/content/aip/journal/apl/98/23/10.1063/1.3598425
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

(a) Optical photograph of the PC delay line and (b) scanning electron micrograph of the PC region.

Image of FIG. 2.
FIG. 2.

Electrical measurement of the transmission of guided elastic waves with (solid curve) and without the phononic crystal (dashed curve).

Image of FIG. 3.
FIG. 3.

Optical measurement of the transmission trough a PC at (a) 804 MHz and (b) 1120 MHz. (c) Profile of the amplitude in and above the band gap integrated along y and fit of the attenuation in the PC.

Image of FIG. 4.
FIG. 4.

Band structure of the PC calculated by FEM with (a) the dominant polarization of each modes and (b) deaf modes. (c) Transmission calculated by FEM and electrical measurements.

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/content/aip/journal/apl/98/23/10.1063/1.3598425
2011-06-10
2014-04-18
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Observation of band gaps in the gigahertz range and deaf bands in a hypersonic aluminum nitride phononic crystal slab
http://aip.metastore.ingenta.com/content/aip/journal/apl/98/23/10.1063/1.3598425
10.1063/1.3598425
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