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Direct observation of the mechanical properties of single-walled carbon nanotubes and their junctions at the atomic level

AuthorsMarques, Miguel A. L.; Rubio, Angel ; Yacaman, M. J.
Issue Date2003
PublisherAmerican Chemical Society
CitationNano Letters 3(6): 751-755 (2003)
AbstractStarting from an amorphous C film, single-walled carbon nanotubes were obtained in situ in a high-resolution electron microscope by the combined effect of irradiation and axial strain. Ductile nanotubes developed either a junction or a linear chain of C atoms before failure. These facts have been put in direct evidence for the first time. Tight-binding calculations indicate that the bonding in the linear chain is of a cumulene type.
Publisher version (URL)http://dx.doi.org/10.1021/nl0341640
Appears in Collections:(CFM) Artículos
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