By Sadegh Imani Yengejeh, Seyedeh Alieh Kazemi, Andreas Öchsner
This quantity offers a accomplished process for categorizing carbon nanotubes and their changes when it comes to nano sheets, nanotubes, microscopic and atomic variations. moreover, the cloth and geometric homes of those nano-configurations are addressed. finally, it introduces a few universal software program applications for geometry new release and several other advertisement finite point programs.
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Extra info for A Primer on the Geometry of Carbon Nanotubes and Their Modifications
5 g/cm3 [71–73]. 1. This software is used for modeling different types of CNTs. CoNTub is a computer program for determining the coordinates of these nanostructures. e. the primary bonds between two nearestneighboring atoms) are calculated by this software. Some features of the first version of CoNTub are simulating SWCNTs and MWCNTs. The most highlighted feature of the second version of this software is to generate the models of threejunctioned CNTs. 1 displays a snapshot from CoNTub software.
1. 2. The apex angles of nanocones that are made in this manner can also be given by 2 arcsin(1 − [dθ]/360), where dθ is the disclination angle in degrees. 9° . © The Author(s) 2015 S. 2 Buckminsterfullerene Buckminsterfullerene (or Bucky-balls) is some kind of spherical-shaped fullerene molecule which has cage-like fused-ring configurations . 3 illustrates a model of buckminsterfullerene. 3 Capped CNTs By rolling up a graphene sheet as a cylinder and capping each side of the cylinder with half of the fullerene molecule, a capped CNT is modeled.
1 Doping This random imperfection corresponds to the case where a finite number of c arbon atoms were replaced by silicon, nitrogen, boron, etc. 21 for the silicon atom. 22. 23. Chapter 6 Degenerated Tubes Beside carbon nanotubes, there are some other configurations of nanostructures, such as nanocones, capped CNTs, fullerene molecules, etc. 1 Carbon Nanocone Structures These specific types of nanostructures were reported to possess a wide distribution of apex angles, which support a disclination model for cone-helix structures .