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The Effect of Boundary Conditions on a Theoretical Analysis of Axial Buckling in a Chiral Single-Wall Carbon Nanotube

Zhili Hu (Institutionen för mikroteknologi och nanovetenskap) ; X. M. Guo
Journal of Computational and Theoretical Nanoscience (1546-1955). Vol. 7 (2010), 11, p. 2401-2404.
[Artikel, refereegranskad vetenskaplig]

Using molecular dynamics simulation, we predict that under fixed-end boundary condition, for an unsymmetrical chiral single-wall carbon nanotubes (SWCNTs), helix-like stripes would appear on the nanotube shell, and torsional buckling could occur. At the same time, buckling critical strains would be greatly reduce (e.g., similar to 20% for a (8,3) SWCNT) compared with those under simply supported boundary conditions. The mechanism for this decrease is not understood.

Nyckelord: Boundary Effect, Torsional Buckling, Chiral Carbon Nanotube, Helix-Like, Stripe, elastic medium, torsion



Denna post skapades 2010-09-20.
CPL Pubid: 126593

 

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Institutionen för mikroteknologi och nanovetenskap

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