Surface-acoustic-wave propagation on a piezoelectric substrate with a periodic metal grating

Surface-acoustic-wave propagation on a piezoelectric substrate with a periodic metal grating

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An analysis is presented for modes propagating via a periodic metal grating on the surface of a piezoelectric substrate. Assuming no loss in the structure, the numerical solution is exact in the limit, combining the effective permittivity function formulation with the least-squares residual applied at the surface.


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