Title
Electron diffraction of nanotubes bundles : unique helicity and tube-tube atomically coherent packing Electron diffraction of nanotubes bundles : unique helicity and tube-tube atomically coherent packing
Author
Faculty/Department
Faculty of Sciences. Physics
Publication type
conferenceObject
Publication
New York ,
Subject
Physics
Source (journal)
AIP conference proceedings / American Institute of Physics. - New York
Source (book)
16th International Winterschool on Electronic Properties of Novel, Materials, MAR 02-09, 2002, KIRCHBERG, AUSTRIA
Volume/pages
633(2002) , p. 314-317
ISSN
0094-243X
ISBN
0-7354-0088-1
ISI
000178866600070
Carrier
E
Target language
English (eng)
Full text (Publishers DOI)
Affiliation
University of Antwerp
Abstract
The atomic structure of single-wall carbon nanotube bundles produced by three different techniques has been characterized by electron diffraction and microscopy. Small bundles produced by Catalytical Chemical Vapor Deposition (CCVD) exhibit only one or two tube chiralities within a single bundle while bundles produced by arc-discharge or laser-ablation exhibit more chiralities. A detailed analysis of the central line of diffraction is also presented. The CCVD nanotubes present more intense spots around 1.7 Angstrom(-1) < k < 2Angstrom(-1) (k is the momentum transfer) compared to what is observed for nanotubes produced by other methods. Amongst the possible explanation for such an anomaly, we put forward that in this range of momentum transfer, the relative tube orientations and translations are important for what concerns the interpretation of the diffraction peaks intensities.
E-info
https://repository.uantwerpen.be/docman/iruaauth/506d2e/23c4181.pdf
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