Ultrahigh frequency nanotube resonators

We report carbon-nanotube-based electromechanical resonators with the fundamental mode frequency over 1.3 GHz, operated in air at room temperature. A new combination of drive and detection methods allows for unprecedented measurement of both oscillation amplitude and phase and elucidates the relativ...

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Bibliographic Details
Published in:Physical review letters 2006-08, Vol.97 (8), p.087203-087203, Article 087203
Main Authors: Peng, H B, Chang, C W, Aloni, S, Yuzvinsky, T D, Zettl, A
Format: Article
Language:English
Subjects:
AIR
AMPLITUDES
DETECTION
MATERIALS SCIENCE
NANOTUBES
OSCILLATIONS
RESONATORS
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Summary:We report carbon-nanotube-based electromechanical resonators with the fundamental mode frequency over 1.3 GHz, operated in air at room temperature. A new combination of drive and detection methods allows for unprecedented measurement of both oscillation amplitude and phase and elucidates the relative mobility of static charges near the nanotube. The resonator serves as an exceptionally sensitive mass detector capable of approximately 10(-18) g resolution.
ISSN:0031-9007
1079-7114
DOI:10.1103/PhysRevLett.97.087203