Transmission-electron-microscopic studies of mechanical properties of single-walled carbon nanotube bundles

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DOIResolve DOI: http://doi.org/10.1063/1.1815057
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TypeArticle
Journal titleApplied Physics Letters
Volume85
Issue19
Pages43284330; # of pages: 3
Subjectbending; carbon nanotubes; transmission electron microscopy
AbstractThe mechanical properties of single-walled carbon nanotube bundles were studied via the observation of mechanical resonance in a transmission electron microscope. The bundles were capacitively actuated using tunable ac signals applied through a custom built specimen holder. Resonant frequencies ranging from 0.2 to 9 MHz were observed in bundles of diameters and lengths ranging from 15 to 70 nm, and from 1 to 10 µm, respectively. An effective bending modulus of Eb = 76±4 GPa was extracted from the data. Onset of nonlinear frequency response was observed under large actuation amplitudes.
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LanguageEnglish
AffiliationNational Research Council Canada
Peer reviewedNo
NPARC number12330051
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Record identifieraa89363b-81c5-4e70-b9fa-ed10f30d2bbe
Record created2009-09-10
Record modified2016-05-09
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