Free Access
Microsc. Microanal. Microstruct.
Volume 4, Number 6, December 1993
Page(s) 501 - 504
Microsc. Microanal. Microstruct. 4, 501-504 (1993)
DOI: 10.1051/mmm:0199300406050100

Shape transformations in single-layer carbon nanotubes

Pulickel M. Ajayan1, Christian Colliex1, Patrick Bernier2 et Jean-Marie Lambert2

1  Laboratoire de Physique des Solides, CNRS URA 002, University of Paris-Sud, Bâtiment 510, 91405 Orsay, France
2  GDPC, CNRS URA 233, Universite Montpellier Sciences & Techniques du Languedoc, 34095 Montpellier, France

We show that strong electron irradiation of single-layer carbon nanotubes introduces distinct changes in the preferred morphology (shape) of tubes, from perfect cylindrical to a necklace of ridges which result from local deformations of the tube surfaces with the curvature on the order of the tube radii. The shape transformations in these free-standing closed two dimensional surfaces seems to resemble closely the deformations observed in systems such as lipid bilayers and biological membranes.

6180F - Electron and positron radiation effects.
8107D - Nanotubes.

Key words
Experimental study -- Physical radiation effects -- Electron beams -- Phase transformations -- Nanostructures -- Strains -- Carbon -- Atomic structure -- Fullerenes -- Structure of liquids -- Structure of solids -- Crystallography -- Condensed matter physics -- Materials science -- Physics -- Condensed state physics

© EDP Sciences 1993