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In this paper, a new atomic-scale finite element method based on the nonlinear spring model is developed for SWCNTs (single-walled carbon nanotubes). Atoms are chosen as nodes and supposed to be connected with each other in the finite element model by line-springs and torsion springs, whose mechanical parameters are determined by Tersoff-Brenner potential. The process of establishing global stiffness...
Large-area diamond conical nanostructure arrays were formed on freestanding diamond films using a hot filament chemical vapor deposition system with negative biasing of the substrates. Results of scanning electron microscopy and transmission electron microscopy studies showed that the energetic methylic ions during the self-organized selective sputtering process dominantly contribute to the formation...
A new tubular carbon cones (TCCs) were grown on the gold wires by hot filament chemical vapor deposition (HFCVD), having long-cone-shaped appearance with a herringbone hollow interior surrounded by helical sheets of graphite coiling around. It is considered to be a main result of TCCs formation that during growth the size of catalyst particle located in the top of TCCs is decreased continuously due...
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