Acousto-Diffusive Waves in a Piezoelectric-Semiconductor-Piezoelectric Sandwich Structure

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dc.contributor.authorSharma, Jagan Nath
dc.contributor.authorSharma, Kuldeep Kumar
dc.contributor.authorKumar, Ashwani
dc.date.accessioned2018-05-15T06:21:03Z
dc.date.available2018-05-15T06:21:03Z
dc.date.issued2011-10
dc.description.abstractThe propagation of acoustic waves in a homogeneous isotropic semiconducting layer sandwiched between two homogeneous transversely isotropic piezoelectric halfspaces has been investigated. The mathematical model of the problem is depicted by a set of partial differential equations of motion, Gauss equation in piezoelectric material and electron diffusion equation in semiconductor along with the boundary conditions to be satisfied at the piezoelectric-semiconductor interfaces. The secular equations describing the symmetric and asymmetric modes of wave propagation have been derived in compact form after obtaining the analytical expressions for various field quantities that govern the wave motion. The complex secular equation has been solved numerically using functional interaction method along with irreducible cardano method. The computer simulated results are obtained with the help of MATLAB software for 6mm cadmium selenide (CdSe) piezoelectric material and n-type silicon (Si) semiconductor in respect of dispersion curve, attenuation and specific loss factor of energy dissipation for symmetric (sym) and asymmetric (asym) modes of wave propagation. The study may find applications in non-destructive testing, resonators, waveguides etcen_US
dc.identifier.citationWorld Journal of Mechanics, 2011, 1, 247-255en_US
dc.identifier.uridoi:10.4236/wjm.2011.15031
dc.identifier.urihttp://hdl.handle.net/123456789/1360
dc.language.isoenen_US
dc.subjectAcousto-Diffusiveen_US
dc.subjectSandwich Structureen_US
dc.subjectHalfspaceen_US
dc.subjectPiezoelectricityen_US
dc.titleAcousto-Diffusive Waves in a Piezoelectric-Semiconductor-Piezoelectric Sandwich Structureen_US
dc.typeArticleen_US
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