Phys. Rev. Lett. 96, 215503 (2006) [4 pages]

Tunable Nanoresonators Constructed from Telescoping Nanotubes

Abstract

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K. Jensen^*, Ç. Girit, W. Mickelson, and A. Zettl^†
Department of Physics, University of California at Berkeley, Center of Integrated Nanomechanical Systems, University of California at Berkeley, The Molecular Foundry, Lawrence Berkeley National Laboratory, and Materials Sciences Division, Lawrence Berkeley National Laboratory, Berkeley, California 94720, USA

Received 20 January 2006; published 31 May 2006

We have created a tunable mechanical nanoscale resonator with potential applications in precise mass, force, position, and frequency measurement. The device consists of a specially prepared multiwalled carbon nanotube (MWNT) suspended between a metal electrode and a mobile, piezo-controlled contact. By exploiting the unique telescoping ability of MWNTs, we controllably slide an inner nanotube core from its outer nanotube casing, effectively changing its length and tuning its flexural resonance frequency.

URL:

http://link.aps.org/doi/10.1103/PhysRevLett.96.215503

DOI:

10.1103/PhysRevLett.96.215503

PACS:

85.35.Kt, 61.46.Fg

^*Electronic address: kjensen@alum.mit.edu

^†Electronic address: azettl@berkeley.edu

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Phys. Rev. Lett. 96, 215503 (2006) [4 pages]

Tunable Nanoresonators Constructed from Telescoping Nanotubes