A tunable carbon nanotube electromechanical oscillator

Vera Sazonova, Yuval Yaish, Hande Üstünel, David Roundy, Tomás A. Arias and Paul L. McEuen ()
Additional contact information
Vera Sazonova: Cornell University
Yuval Yaish: Cornell University
Hande Üstünel: Cornell University
David Roundy: Cornell University
Tomás A. Arias: Cornell University
Paul L. McEuen: Cornell University

Nature, 2004, vol. 431, issue 7006, 284-287

Abstract: Abstract Nanoelectromechanical systems (NEMS) hold promise for a number of scientific and technological applications. In particular, NEMS oscillators have been proposed for use in ultrasensitive mass detection1,2, radio-frequency signal processing3,4, and as a model system for exploring quantum phenomena in macroscopic systems5,6. Perhaps the ultimate material for these applications is a carbon nanotube. They are the stiffest material known, have low density, ultrasmall cross-sections and can be defect-free. Equally important, a nanotube can act as a transistor7 and thus may be able to sense its own motion. In spite of this great promise, a room-temperature, self-detecting nanotube oscillator has not been realized, although some progress has been made8,9,10,11,12. Here we report the electrical actuation and detection of the guitar-string-like oscillation modes of doubly clamped nanotube oscillators. We show that the resonance frequency can be widely tuned and that the devices can be used to transduce very small forces.

Date: 2004
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DOI: 10.1038/nature02905

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