High energy-resolution electron energy-loss spectroscopy study of the electric structure of double-walled carbon nanotubes

研究成果: Article査読

10 被引用数 (Scopus)

抄録

Electron energy-loss spectra were obtained from two double-walled carbon nanotubes (DWCNTs) with an energy resolution of 85 meV. The spectra showed multiple peak structures between 2 and 3 eV. However, peak positions are different for these two DWCNTs. The chiral indices of CNT layers of the two DWCNTs were determined to be (29,4)in (17,8)out and (46,6)out (26,21)in, respectively, by comparing experimental electron diffraction patterns with simulated ones. The spectra were also compared with simulated joint density of states, which were derived from the determined chiral indices. It was confirmed that the peak structures in the spectra are due to interband transitions intrinsic for tubular structures of graphitic sheets.

本文言語English
ページ(範囲)137-142
ページ数6
ジャーナルJournal of Electron Microscopy
55
3
DOI
出版ステータスPublished - 2006 6

ASJC Scopus subject areas

  • Instrumentation

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