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  • Title: A theoretical study for mechanical contact between carbon nanotubes.
    Author: Takagi Y, Uda T, Ohno T.
    Journal: J Chem Phys; 2005 Mar 22; 122(12):124709. PubMed ID: 15836411.
    Abstract:
    We have theoretically investigated motions of single-walled carbon nanotubes (SWNTs) which are mounted on a flat substrate layer of SWNTs by tight-binding molecular dynamics simulations. One of the most interesting motions is the conversion of force and torque, where the force and torque acting initially on the mounted tube finally results in the lateral motion and rolling of the supporting tubes in the substrate. This motion is well understood in terms of the total energy surface of the SWNT/SWNT system. It is suggested that an undulation of the total energy surface plays a role as an atomic-scale gear tooth in the field of nanomechanics, in spite of the atomically smooth surface of SWNT.
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