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  • 1 Please ask the editor of the journal.
  • 2 Facultés Universitaires Notre-Dame de la Paix Rue de Bruxelles 61, B-5000 Namur, Belgium
  • 3 Research Institute for Technical Physics and Materials Science H-1525 Budapest, P.O. Box 49, Hungary
  • 4 University of Szeged, Applied and Environmental Chemistry Department Rerrich Béla tér 1, H-6720 Szeged, Hungary
  • 5 University of Szeged, Applied and Environmental Chemistry Department Rerrich Béla tér 1, H-6720 Szeged, Hungary
  • 6 Katholieke Universiteit Leuven, Laboratorium voor Vaste-Stoffysica en Magnetisme B-3001 Leuven, Belgium
  • 7 Katholieke Universiteit Leuven, Laboratorium voor Vaste-Stoffysica en Magnetisme B-3001 Leuven, Belgium
  • 8 Facultés Universitaires Notre-Dame de la Paix Rue de Bruxelles 61, B-5000 Namur, Belgium
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Some recent results on the synthesis of coiled carbon nanotubes (CNTs) are summarized. Several supported catalysts can lead to the formation of coiled CNTs. Interestingly, certain domains of the coil pitch and coil diameter are favoured, and two “stability islands”are found in the 3D representation of the number of coiled CNTs as a function of both coil pitch and coil diameter. It is emphasized that these nanotubes are formed either by introducing pairs of five-membered ring - seven-membered ring or by forming haeckelite structures. The coiled CNTs could be used in nanocomposite reinforcement as well as special sensors based on their remarkable mechanical and electrical properties.

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