A self-sensing nanomechanical resonator built on a single-walled carbon nanotube.

Hall, Adam R; Falvo, Michael R; Superfine, Richard; Washburn, Sean · Nano Lett · 2008

basic_science · Level V

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Abstract

We present observations of resonance behavior in a torsional nanoelectromechanical device built with an individual single-walled carbon nanotube. The effect of applied torsional strain on the transport properties of the nanotube provides an electrical signal transducer and hence a means of measuring oscillation amplitude, resonance frequency, and quality factor. The mechanical resonance is confirmed by imaging and the electromechanical signal is compared to quasi-static measurements.