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Title

A microcantilever mechanical antenna

AuthorsAbadal Berini, Gabriel; Bramon, P.; López Suárez, Miquel; Agustı, J.; Torres, F.
Issue Date20-Aug-2019
AbstractA mechanical antenna based on the interaction of an oscillating electric field with a permanent electric charge implanted in the free end of a clamped-free beam is proposed as a miniaturized alternative to conventional electromagnetic antennas. A prototype based on a silicon nitride triangular microcantilever has been fabricated, and its response to an oscillating electric field generated by a dipole antenna has been tested. The responsivity, defined as the vibration amplitude per electric field intensity unit, has been experimentally found to be < ¼ 0.29 nm/kV m. A figure of merit (FOM) to evaluate the power conversion efficiency per unit area of the microcantilever antenna has been defined and calculated to be FOM ¼ 0.216% m2. .
Publisher version (URL)http://dx.doi.org/10.1063/1.5109353
URIhttp://hdl.handle.net/10261/204540
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