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Analysis of Stacking Structure of Cup-Stacked Type Carbon Nanofibers

Published online by Cambridge University Press:  11 February 2011

Kyoich Oshida ,
Tatsuo Nakazawa ,
Kozo Osawa ,
Takuya Hayashi ,
Morinobu Endo ,
Takashi Yanagisawa  and
Mildred S. Dresselhaus
Kyoich Oshida
Affiliation:
Nagano National College of Technology, 716 Tokuma, Nagano-shi, 381–8550, JAPAN.
Tatsuo Nakazawa
Affiliation:
Nagano National College of Technology, 716 Tokuma, Nagano-shi, 381–8550, JAPAN.
Kozo Osawa
Affiliation:
Nagano National College of Technology, 716 Tokuma, Nagano-shi, 381–8550, JAPAN.
Takuya Hayashi
Affiliation:
Shinshu University, 4–17–1 Wakasato, Nagano-shi, 380–8553, JAPAN.
Morinobu Endo
Affiliation:
Shinshu University, 4–17–1 Wakasato, Nagano-shi, 380–8553, JAPAN.
Takashi Yanagisawa
Affiliation:
GSI Creos Incorporation, 3–1, kudanminami 2-chome, Chiyoda-ku, Tokyo 102–0074, JAPAN.
Mildred S. Dresselhaus
Affiliation:
Massachusetts Institute of Technology, Cambridge, MA 02139, USA.
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Abstract

The lattice images of the new type (cup-stacked type) carbon nanofibers were observed by high resolution transmission electron microscopy (HRTEM) and the detailed structure was analyzed by image processing. The angle of opposed graphitic basal planes was measured from power spectrum obtained by 2 dimensional first Fourier transform. The structures of the slanted (00·1) lattice planes, which appear at the cross section of the fiber wall, were shown by means of this image analysis technique. Defects were observed in the ordered structure of this material. The (00·1) lattice planes show large fluctuation in alignment of them and the (10·0) lattice planes make several angles with the (00·1) lattice planes. The average repeat distance d002 was estimated on the basis of d100 by HRTEM image and image analysis.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 738: Symposium G – Spatially Resolved Characterization of Local Phenomena in Materials and Nanostructures , 2002 , G7.40
Copyright
Copyright © Materials Research Society 2003

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References

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