Acta Mechanica Solida Sinica

, Volume 20, Issue 2, pp 110–116 | Cite as

Guided circumferential waves in double-walled carbon nanotubes

  • Huiling Zhang
  • Xiaochun Yin
Article

Abstract

A model of guided circumferential waves propagating in double-walled carbon nanotubes is built by the theory of wave propagation in continuum mechanics, while the van der Waals force between the inner and outer nanotube has been taken into account in the model. The dispersion curves of the guided circumferential wave propagation are studied, and some dispersion characteristics are illustrated by comparing with those of single-walled carbon nanotubes. It is found that in double-walled carbon nanotubes, the guided circumferential waves will propagate in more dispersive ways. More interactions between neighboring wave modes may take place. In particular, it has been found that a couple of wave modes may disappear at a certain frequency and that, while a couple of wave modes disappear, another new couple of wave modes are excited at the same wave number.

Key words

carbon nanotube guided circumferential waves continuum mechanics van der Waals force dispersion equation mode disappearance and excitation 

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Copyright information

© The Chinese Society of Theoretical and Applied Mechanics and Technology 2007

Authors and Affiliations

  • Huiling Zhang
    • 1
  • Xiaochun Yin
    • 1
  1. 1.Department of Mechanics and Engineering ScienceNanjing University of Science and TechnologyNanjingChina

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