Abstract
We have generated and detected surface elastic waves at a fundamental frequency of 15.5 MHz on high-resistivity silicon. The generation process involved the Lorentz forces exerted by a static magnetic field on the current-carrying elements of an evaporated aluminum meander line whose spatial periodicity matched that of the surface waves. The detection process involved the motional emf induced by the magnetic field in the vibrating elements of the receiver meander line. The generation-detection signal amplitude shows a B2 dependence and is a maximum when the magnetic field is parallel to the direction of propagation.
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