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A “pod” is a cylindrical single-walled carbon nanotube; A “pea” is a fullerene.
FROM:
Nicola M. Pugno (1) and James A. Elliott (2)
(1) Laboratory of Bio-Inspired Nanomechanics "Giuseppe Maria Pugno", Department of Structural Engineering and Geotechnics, Politecnico di Torino, 10129, Torino, Italy, email: nicola.pugno@polito.it
(2) Department of Materials Science and Metallurgy, University of Cambridge, Pembroke Street, Cambridge CB2 3QZ, UK
“Buckling of peapods, fullerenes and nanotubes”, Physica E, Vol. 44, pp. 944-948, 2012, doi:10.1016/j.physe.2011.12.024
ABSTRACT: In this paper, the buckling under an applied external pressure and the self-buckling of nanostructures, such as peapods, nanotubes and fullerenes, is numerically treated with Molecular Dynamics simulations and compared with theoretical calculations. The self-buckling is due to the interaction among the nanostructures caused by the surface energy; it is peculiar to the nanoscale and does not have a macroscopiic counterpart. Atomistic simulations confirm that the influence on a single nanostructure from the surrounding nanostructures in a crystal, is nearly identical to that of a liquid with surface tension equal to the surface energy of the solid.
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