Raman intensity of single-wall carbon nanotubes

Phys. Rev. B 57, 4145 – Published 15 February 1998
R. Saito, T. Takeya, T. Kimura, G. Dresselhaus, and M. S. Dresselhaus


Using nonresonant bond-polarization theory, the Raman intensity of a single-wall carbon nanotube is calculated as a function of the polarization of light and the chirality of the carbon nanotube. The force-constant tensor for calculating phonon dispersion relations in the nanotubes is scaled from those for two-dimensional graphite. The calculated Raman spectra do not depend much on the chirality, while their frequencies clearly depend on the nanotube diameter. The polarization and sample orientation dependence of the Raman intensity shows that the symmetry of the Raman modes can be obtained by varying the direction of the nanotube axis, keeping the polarization vectors of the light fixed.

DOI: http://dx.doi.org/10.1103/PhysRevB.57.4145

  • Received 26 August 1997
  • Published in the issue dated 15 February 1998

© 1998 The American Physical Society

Authors & Affiliations

R. Saito, T. Takeya, and T. Kimura

  • Department of Electronics Engineering, University of Electro-Communications, Chofugaoka, Chofu, 182-8585 Tokyo, Japan

G. Dresselhaus and M. S. Dresselhaus

  • Department of Physics, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139

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