Elastic properties of carbon nanotubes: an atomistic approach

Cherian, Roby ; Mahadevan, Priya (2007) Elastic properties of carbon nanotubes: an atomistic approach Journal of Nanoscience and Nanotechnology, 7 (6). pp. 1779-1782. ISSN 1533-4880

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Official URL: http://www.ingentaconnect.com/content/asp/jnn/2007...

Related URL: http://dx.doi.org/10.1166/jnn.2007.714


Energetically the single sheet of graphite (graphene) is more stable than the nanotube. The energy difference between the two systems can be directly related to the strain energy involved in rolling up the graphene sheet to form the nanotube. We have carried out first-principle electronic structure calculations and evaluated the strain energy as a function of the nanotube radius. The dependence of the strain energy on the diameter of the nanotube has been found by several groups to be well-described by a continuum elasticity model. We attempt to examine why this is the case and show where atomistics enter the description.

Item Type:Article
Source:Copyright of this article belongs to American Scientific Publishers.
Keywords:Elasticity; Nanotubes
ID Code:102996
Deposited On:02 Feb 2018 03:56
Last Modified:02 Feb 2018 03:56

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