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Hypersonic phonon propagation in one-dimensional surface phononic crystal

AutorGraczykowski, B. ; Sledzinska, M.; Kehagias, N. ; Alzina, Francesc ; Reparaz, J. S. ; Sotomayor Torres, C. M.
Fecha de publicación2014
EditorAmerican Institute of Physics
CitaciónApplied Physics Letters 104(12): 123108 (2014)
ResumenHypersonic, thermally activated surface acoustic waves propagating in the surface of crystalline silicon patterned with periodic stripes were studied by Brillouin light scattering. Two characteristic directions (normal and parallel to the stripes) of surface acoustic waves propagation were examined exhibiting a distinctive propagation behavior. The measured phononic band structure exhibits diverse features, such as zone folding, band gap opening, and hybridization to local resonance for waves propagating normal to the stripes, and a variety of dispersive modes propagating along the stripes. Experimental results were supported by theoretical calculations performed using finite element method.
DescripciónUnder the terms of the Creative Commons Attribution (CC BY) license to their work.
Versión del editorhttp://dx.doi.org/10.1063/1.4870045
URIhttp://hdl.handle.net/10261/126935
DOI10.1063/1.4870045
Identificadoresdoi: 10.1063/1.4870045
issn: 0003-6951
e-issn: 1077-3118
Aparece en las colecciones: (CIN2) Artículos
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