J. Fraxedas et al 2007 EPL 78 16001 doi:10.1209/0295-5075/78/16001
Determining radial breathing mode frequencies of single-walled carbon nanotubes with an atomic force microscope
J. Fraxedas1, G. Rius2, F. Pérez-Murano2 and A. Verdaguer3
Show affiliationsWe report on the experimental determination of the radial breathing mode frequency (
5 THz) of individual single-walled carbon nanotubes by nanoindentation measurements performed with an Atomic Force Microscope using commercial microfabricated silicon cantilevers with ultrasharp tips, evidencing the sensitivity of such instruments to frequencies in the THz range, well above the resonance frequencies of the cantilevers (~ 130 kHz).
- PACS
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63.22.-m Phonons or vibrational states in low-dimensional structures and nanoscale materials
- Subjects
- Dates
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Issue 1 (April 2007)
Received 11 January 2007, in final form 12 February 2007
Published 12 March 2007
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Determining radial breathing mode frequencies of single-walled carbon nanotubes with an atomic force microscope
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