© The Institution of Electrical Engineers
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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http://iet.metastore.ingenta.com/content/journals/10.1049/el_19840493
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