Diverse corrugation pattern in radially shrinking carbon nanotubes
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European Commission's projectPREDMODSIM - Predictive models and simulations in nano- and biomolecular mechanics: a multiscale approach (EC-FP7-240487)
Stable cross sections of multiwalled carbon nanotubes subjected to electron-beam irradiation are investigated in the realm of the continuum mechanics approximation. The self-healing nature of sp2 graphitic sheets implies that selective irradiation of the outermost walls causes their radial shrinkage with the remaining inner walls undamaged. The shrinking walls exert high pressure on the interior part of nanotubes, yielding a wide variety of radial-corrugation patterns (i.e. circumferentially wrinkling structures) in the cross section. All corrugation patterns can be classified into two deformation phases for which the corrugation amplitudes of the innermost wall differ significantly.
CitationShima, H. [et al.]. Diverse corrugation pattern in radially shrinking carbon nanotubes. "Physical review B, condensed matter and materials physics", 2010, vol. 82, núm. 8, p. 085401-1 - 085401-7.
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