Determining RBM Frequencies of SWNTs with an AFM

doi:10.1209/0295-5075/78/16001

Determining radial breathing mode frequencies of single-walled carbon nanotubes with an atomic force microscope

J. Fraxedas et al 2007 EPL 78 16001 (4pp) doi: 10.1209/0295-5075/78/16001

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J. Fraxedas¹, G. Rius², F. Pérez-Murano² and A. Verdaguer³
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

Abstract. We report on the experimental determination of the radial breathing mode frequency ( sime 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 numbers: 63.22.+m, 61.46.Fg, 68.37.Ps

Print publication: 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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