Please use this identifier to cite or link to this item: http://hdl.handle.net/2440/63243
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Type: Journal article
Title: Discrete and continuous approximations for nanobuds
Author: Baowan, D.
Cox, B.
Hill, J.
Citation: Fullerenes, Nanotubes, and Carbon Nanostructures, 2010; 18(2):160-177
Publisher: Taylor and Francis Inc
Issue Date: 2010
ISSN: 1536-383X
1536-4046
Statement of
Responsibility: 
Duangkamon Baowan, Barry J. Cox and James M. Hill
Abstract: Both discrete and continuous approximations are employed to determine the join structure involved in the novel carbon nanostructure formed from a C60 fullerene and a carbon nanotube, namely a nanobud. First, following the methodology of the authors' previous work, using a least squares minimization procedure, discrete models are used to join a fullerene and a carbon nanotube by minimizing both the variation in the bond length and the variation in the bond angle. These purely geometrical approaches are closely related to the bonded potential energy method adopted by several authors. Second, by employing a calculus of variations technique, a continuous approximation to the nanobud is determined. In this case, there are also two models depending upon the sign of the curvature of the join profile. We find that the discrete and the continuous approximations are in reasonable overall agreement. However, there is no experimental or simulation data to determine which procedure gives the more realistic results.
Keywords: Carbon nanotubes; fullerenes; nanobuds; least squares method; calculus of variations
Rights: Copyright © Taylor & Francis Group, LLC
RMID: 0020104686
DOI: 10.1080/15363830903586625
Appears in Collections:Mathematical Sciences publications

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