Bantignies, J.-L. and Sauvajol, J.-L. and Rahmani, A. and Flahaut, E. (2006) Infrared-active phonons in carbon nanotubes. Physical Review B - Condensed Matter and Materials Physics, 74 (19).

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The aim of the present paper is to identify the main infrared vibrational features of carbon nanotubes. In this goal, infrared experiments have been performed on different well-characterized single-walled carbon nanotubes (SWCNTs) and double-walled carbon nanotubes (DWCNTs) as well as graphite and carbon aerogel. The comparison between the experimental spectra measured on these different samples allows us to identify the infrared-active modes of carbon nanotubes. In SWCNTs, the tangential modes are located around 1590 cm-1 and the radial mode around 860 cm-1. This latter mode vanishes in the infrared spectrum of DWCNTs. Finally, in the infrared spectra of all the carbon nanotubes investigated, a band around 1200 cm-1 is evidenced and assigned to the D -band (disorder-induced band). © 2006 The American Physical Society.

Item Type: Article
Subjects: Materials Science
Divisions: SCIENTIFIC PRODUCTION > Materials Science
Depositing User: Administrateur Eprints Administrateur Eprints
Last Modified: 31 Jan 2020 15:48

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