Ab Initio Calculations of the Walls Shear Strength of Carbon Nanotubes

Details Ab Initio Calculations of the Walls Shear Strength of Carbon Nanotubes Ab Initio Calculations of the Walls Shear Strength of Carbon Nanotubes

2009-10-30

arxiv.org/abs/0910.5903v1

Technical Physics Letters, V.35 N.7 p.666 (2009)

Physics

Condensed Matter

Mesoscale and Nanoscale Physics

4 pages, 1 figure

Scientific paper

The dependence of the energy of interwall interaction in double-walled carbon nanotubes (DWNT) on the relative position of walls has been calculated using the density functional method. This dependence is used to evaluate forces that are necessary for the relative telescopic motion of walls and to calculate the shear strength of DWNT for the relative sliding of walls along the nanotube axis and for their relative rotation about this axis. The possibility of experimental verification of the obtained results is discussed.

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