Physics – Condensed Matter – Mesoscale and Nanoscale Physics
Scientific paper
2010-05-18
Small 6, 9 (2010) 1060
Physics
Condensed Matter
Mesoscale and Nanoscale Physics
Scientific paper
10.1002/smll.200901984
Electromechanical resonators are a key element in radio-frequency telecommunications devices and thus new resonator concepts from nanotechnology can readily find important industrial opportunities. In this paper, we report the successful experimental realization of AM, FM and digital demodulation with suspended single wall carbon nanotube resonators in the field effect transistor configuration. The crucial role played by the mechanical 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 our devices.
Ayari Anthony
Barois Thomas
Gouttenoire Vincent
Leclercq Jean-Louis
Perisanu Sorin-Mihai
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