4.6 Article

Continuum modeling of van der Waals interactions between carbon nanotube walls

Journal

APPLIED PHYSICS LETTERS
Volume 94, Issue 10, Pages -

Publisher

AMER INST PHYSICS
DOI: 10.1063/1.3099023

Keywords

buckling; carbon nanotubes; Lennard-Jones potential; van der Waals forces

Funding

  1. NSF [CMMI 0800417]
  2. ONR [N00014-01-1-0205]
  3. NSFC [10702034, 10732050, 90816006, 10772089, 10672161]
  4. National Basic Research Program of China [2007CB936803]
  5. CAS [2005-2-1]
  6. Directorate For Engineering [800417] Funding Source: National Science Foundation
  7. Div Of Civil, Mechanical, & Manufact Inn [800417] Funding Source: National Science Foundation

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Prior continuum models of van der Waals force between carbon nanotube walls assume that the pressures be either the same on the walls or inversely proportional to wall radius. A new continuum model is obtained analytically from the Lennard-Jones potential for van der Waals force, without the above assumptions. Buckling of a double-wall carbon nanotube under external pressure is studied, and the critical buckling pressure is much smaller than those models involving the above assumptions.

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