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High-frequency nanotube mechanical resonators

AuthorsChaste, Julien ; Sledzinska, Marianna ; Zdrojek, M. ; Moser, Joel ; Bachtold, Adrian
Issue Date2011
PublisherAmerican Institute of Physics
CitationApplied Physics Letters 99(21): 213502 (2011)
AbstractWe report on a simple method to fabricate high-frequency nanotube mechanical resonators reproducibly. We measure resonance frequencies as high as 4.2 GHz for the fundamental eigenmode and 11 GHz for higher order eigenmodes. The high-frequency resonances are achieved using short suspended nanotubes and by introducing tensile stress in the nanotube. These devices allow us to determine the coefficient of the thermal expansion of an individual nanotube, which is negative and is about - 0. 7 10 - 51/K at room temperature. High-frequency resonators made of nanotubes hold promise for mass sensing and experiments in the quantum limit. © 2011 American Institute of Physics.
Identifiersdoi: 10.1063/1.3663630
issn: 0003-6951
Appears in Collections:(CIN2) Artículos
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