Novel composite nanotubes, consisting of NbS 2 -sheathed carbon nanotubes (CNTs), have been generated successfully employing carbon nanotube template-promoted growth. Detailed experimental procedures, and the associated intermediate oxide phases during NbS 2 conversion, have been evaluated using high-resolution transmission electron microscopy, coupled with EDX analysis. Our results show that CNTs act as templates and that the uniform well-crystallized NbS 2 nanotubes are produced from unevenly wrapped NbO 2 . A multi-point nuclei site growth mechanism has been proposed to account for nanotube formation.
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Zhu et al. (2002) studied this question.
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