| Issue |
EPL
Volume 78, Number 1, April 2007
|
|
|---|---|---|
| Article Number | 16001 | |
| Number of page(s) | 4 | |
| Section | Condensed Matter: Structural, Mechanical and Thermal Properties | |
| DOI | https://doi.org/10.1209/0295-5075/78/16001 | |
| Published online | 12 March 2007 | |
Determining radial breathing mode frequencies of single-walled carbon nanotubes with an atomic force microscope
1
Institut de Ciència de Materials de Barcelona (ICMAB-CSIC) - Campus de la UAB, E-08193 Bellaterra, Spain
2
Institut de Microelectrònica de Barcelona (IMB-CNM-CSIC) - Campus de la UAB, E-08193 Bellaterra, Spain
3
Institut Català de Nanotecnologia (ICN) - Campus de la UAB, E-08193 Bellaterra, Spain
Received:
11
January
2007
Accepted:
12
February
2007
We report on the experimental determination of the radial breathing mode frequency (
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 (
kHz).
PACS: 63.22.+m – Phonons or vibrational states in low-dimensional structures and nanoscale materials / 61.46.Fg – Nanotubes / 68.37.Ps – Atomic force microscopy (AFM)
© Europhysics Letters Association, 2007
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