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APS » Journals » Phys. Rev. Lett. » Volume 97 » Issue 8
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Phys. Rev. Lett. 97, 087203 (2006) [4 pages]

Ultrahigh Frequency Nanotube Resonators

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H. B. Peng, C. W. Chang, S. Aloni, T. D. Yuzvinsky, and A. Zettl
Department of Physics and Center of Integrated Nanomechanical Systems, University of California at Berkeley, and Materials Sciences Division, Lawrence Berkeley National Laboratory, Berkeley, California 94720, USA

Received 17 January 2006; published 22 August 2006

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 ∼10-18  g resolution.

© 2006 The American Physical Society

URL:
http://link.aps.org/doi/10.1103/PhysRevLett.97.087203
DOI:
10.1103/PhysRevLett.97.087203
PACS:
85.85.+j, 73.63.Fg, 74.78.Na, 81.16.Rf
 
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