TITLE

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

AUTHOR(S)
Jaroenapibal, P.; Luzzi, D. E.; Evoy, S.; Arepalli, S.
PUB. DATE
November 2004
SOURCE
Applied Physics Letters;11/8/2004, Vol. 85 Issue 19, p4328
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
The 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.
ACCESSION #
14974990

 

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