A composite method for the determination of the chirality of single walled carbon nanotubes

  • Meyer R
  • Friedrichs S
  • Kirkland A
 et al. 
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Abstract

An approach to the unambiguous determination of the conformation of individual single walled nanotubes utilizing high-resolution transmission electron microscopy and digital image processing is described. The exit plane wave of single walled nanotubes restored from a focal series of images is used in a stepwise characterization procedure utilizing both the phase of the real space restoration and its Fourier transform. A combination of these complementary characterization steps yields an accurate measurement of the chiral vector for an individual nanotube.

Author-supplied keywords

  • Carbon nanotube
  • Chirality
  • High-resolution electron microscopy
  • Image restoration

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