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Physica Status Solidi (B) Basic ResearchVolume 244, Issue 11, November 2007, Pages 4275-4278

Detail study of the Raman-active modes in carbon nanotubes(Conference Paper)

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  • aInstitut für Festkörperphysik, Technische Universität Berlin, Hardenbergstr. 36, 10623 Berlin, Germany
  • bFaculty of Physics, University of Belgrade, P.O. Box 368, 11011 Belgrade, Serbia

Abstract

The Raman-active A1-modes in carbon nanotubes are often used for characterizing nanotube samples. The fully-symmetric radial-breathing mode and the high-energy mode (HEM) have small non-radial and non-tangential components, respectively. Neglecting these components results in errors for phonon frequency and electron-phonon coupling calculations. We present a model to estimate these non-radial components. For the HEM we find an anharmonicity that stems from the three-fold coordination of the C atoms. © 2007 WILEY-VCH Verlag GmbH & Co. KGaA.

  • ISSN: 03701972
  • Source Type: Journal
  • Original language: English
  • DOI: 10.1002/pssb.200776121
  • Document Type: Conference Paper

  Mohr, M.; Institut für Festkörperphysik, Technische Universität Berlin, Hardenbergstr. 36, Germany;
© Copyright 2007 Elsevier B.V., All rights reserved.

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