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
Categories
Funding
- NSF [CMMI 0800417]
- ONR [N00014-01-1-0205]
- NSFC [10702034, 10732050, 90816006, 10772089, 10672161]
- National Basic Research Program of China [2007CB936803]
- CAS [2005-2-1]
- Directorate For Engineering [800417] Funding Source: National Science Foundation
- 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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