Journal
SMALL
Volume 6, Issue 9, Pages 1060-1065Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/smll.200901984
Keywords
nanoelectromechanical systems; nanotubes; radio telecommunication's; resonators; sensors
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Funding
- French National Agency (ANR) [ANR-07-NANO-008-01, ANR-07-JCJC-0145-01]
- cluster micro-nano of the region Rhone Alpes
- Centre Technologique des Microstructures de l'Universite Lyon 1
- Agence Nationale de la Recherche (ANR) [ANR-07-JCJC-0145] Funding Source: Agence Nationale de la Recherche (ANR)
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Electromechanical resonators are a key element in radio-frequency telecommunication devices and thus new resonator concepts from nanotechnology can readily find important industrial opportunities. Here, the successful experimental realization of AM, FM, and digital demodulation with suspended single-walled carbon-nanotube resonators in a field-effect transistor configuration is reported. The crucial role played by the electromechanical resonance in demodulation is clearly demonstrated. The FM technique is shown to lead to the suppression of unwanted background signals and the reduction of noise for a better detection of the mechanical motion of nanotubes. The digital data-transfer rate of standard cell-phone technology is within the reach of these devices.
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