Dispersive saws in layered systems consisting of cubic piezoelectrics

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This work studies propagation of different SH-SAWs treating various configurations using the cubic crystals Bi12SiO20 and Bi12GeO20, which possess strong piezoelectric effect. Possible cuts for the wave propagation are treated when an even-order symmetry axis of a crystal is perpendicular to the sagittal plane, and when some analytical solutions can be obtained studying propagation direction 101] in the crystals. Calculations of the phase velocity and the CEMC versus the layer thickness were carried out. Numerical results on propagation of the seven-partial Love type waves were also introduced for different electrical boundary conditions: metallized and non-metallized surfaces. Also, new dispersive SAW possessing single mode was discovered concerning direction 101] in various layered systems consisting of the cubic crystals. It is thought that the obtained results can be also useful in the application of inter-digital transducers for excitation of different SAWs in structural health monitoring. In addition, a theoretical study of three-layer structures consisting of widely-used weak piezoelectrics (GaAs/GaP/GaAs and GaAs/GaP/ZnTe) was also carried out.

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Oorspronkelijke releasedatum: 16 november 2010

Aantal pagina's: 72

Hoofdauteur: Aleksey Zakharenko

Hoofduitgeverij: Lap Lambert Academic Publishing

Product breedte: 152 mm

Product hoogte: 4 mm

Product lengte: 229 mm

Verpakking breedte: 152 mm

Verpakking hoogte: 4 mm

Verpakking lengte: 229 mm

Verpakkingsgewicht: 118 g

EAN: 9783843375238

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