Abstract Submitted to the ; NT'05-Logo NANOTUBE'05 Conference:

Packing and chirality of double-walled carbon nanotubes : a transmission electron microscopy and electron diffraction study

J.F. Colomer1, L. Henrard1, P. Launois 2, G. Van Tendeloo 3, A. Lucas1, Ph. Lambin1

1Laboratoire de Physique du Solide, FUNDP, Namur - Belgium
2 Laboratoire de Physique des Solides, Universite de Paris-Sud, France 3 EMAT, University of Antwerp, Belgium
Contact e-mail: luc.henrard@fundp.ac.be

The atomic structure of bundles of double-walled carbon nanotubes synthesized by catalytic chemical vapour deposition is investigated using transmission electron microscopy and electron diffraction. Small and well-crystallized bundles reveal unambiguously the presence of double-walled nanotubes with identical chiralities and diameters in single bundle (each bundle presenting different chiralities and diameters) [1]. We have also investigated rings of double-walled carbon nanotubes and we observed the twist of the bundle along the ring circonference [2].
References
[1] J.F. Colomer, L. Henrard, P. Launois, G. Van Tendeloo, A. Lucas and P. Lambin. Phys. Rev. B 70 (2004) 075408 [2] J.F. Colomer, L. Henrard, E. Flahaut, G. van Tendeloo, A.A. Lucas and Ph. Lambin. NanoLetters 3 (2003) 685

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