Thin-shell theory based analysis of radially pressurized multiwall carbon nanotubes

Details Thin-shell theory based analysis of radially pressurized multiwall carbon nanotubes Thin-shell theory based analysis of radially pressurized multiwall carbon nanotubes

2010-10-30

arxiv.org/abs/1011.0074v2

Physics

Condensed Matter

Mesoscale and Nanoscale Physics

6 pages, 5 figures

Scientific paper

Elastic radial deformation of multiwall carbon nanotubes (MWNTs) under hydrostatic pressure is investigated within the continuum elastic approximation. The thin-shell theory, with accurate elastic constants and interwall couplings, allows us to estimate the critical pressure $p_c$ above which the original circular cross-section transforms into radially corrugated ones. Emphasis is placed on the rigorous formulation of the van der Waals interaction between adjacent walls, which we analyze using two different approaches. Possible consequences of the radial corrugation in the physical properties of pressurized MWNTs are also discussed.

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