期刊
SMALL
卷 6, 期 9, 页码 1060-1065出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/smll.200901984
关键词
nanoelectromechanical systems; nanotubes; radio telecommunication's; resonators; sensors
类别
资金
- 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)
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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