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Using continuous models in the analysis of vibrational spectra for carbon nanotubes

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Moscow University Mechanics Bulletin Aims and scope

Abstract

The rod models of longitudinal, torsional, and bending vibrations are used to find the natural vibration spectra of a carbon nanotube. The spectrum of natural radial vibrations is found using the membrane theory of cylindrical shells. The coefficients of these models are chosen by comparing the results obtained on the basis of the micromodel with the Keating interaction potential in the framework of the long-wave approximation and on the basis of a continuous model. It is shown that the spectra of longitudinal, radial, and torsional vibrations of the carbon nanotube are of the same order of magnitude (the minimum frequency is about 1011 Hz), whereas the natural frequency spectrum for the bending vibrations is of two orders of magnitude less (the minimum frequency is about 109 Hz). These spectra belong to the super-high frequency range.

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Authors and Affiliations

  1. Faculty of Mechanics and Mathematics, Moscow State University, Leninskie Gory, Moscow, 119899, Russia

    G. L. Brovko & Z. G. Tunguskova

Authors
  1. G. L. Brovko
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  2. Z. G. Tunguskova
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Additional information

Original Russian Text © G.L. Brovko, Z.G. Tunguskova, 2009, published in Vestnik Moskovskogo Universiteta, Matematika. Mekhanika, 2009, Vol. 64, No. 4, pp. 53–56.

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Brovko, G.L., Tunguskova, Z.G. Using continuous models in the analysis of vibrational spectra for carbon nanotubes. Moscow Univ. Mech. Bull. 64, 93–96 (2009). https://doi.org/10.3103/S0027133009040049

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  • DOI: https://doi.org/10.3103/S0027133009040049

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