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Molecular Dynamics Study of Electron Irradiation Damages in Carbon Nanomaterials

Published online by Cambridge University Press:  01 February 2011

Masaaki Yasuda ,
Takashi Majima ,
Yoshihisa Kimoto ,
Kazuhiro Tada ,
Hiroaki Kawata  and
Yoshihiko Hirai
Masaaki Yasuda
Affiliation:
yasuda@pe.osakafu-u.ac.jp, Osaka Prefecture University, Department of Physics and Electronics, 1-1 Gakuen-cho, Naka-ku, Sakai, 599-8531, Japan, +81-72-254-9270, +81-72-254-9908
Takashi Majima
Affiliation:
maji-5@pe.osakafu-u.ac.jp, Osaka Prefecture University, Department of Physics and Electronics, Sakai, Osaka 599-8531, Japan
Yoshihisa Kimoto
Affiliation:
kimoto@pe.osakafu-u.ac.jp, Osaka Prefecture University, Department of Physics and Electronics, Sakai, Osaka 599-8531, Japan
Kazuhiro Tada
Affiliation:
tada-5@pe.osakafu-u.ac.jp, Osaka Prefecture University, Department of Physics and Electronics, Sakai, Osaka 599-8531, Japan
Hiroaki Kawata
Affiliation:
kawata@pe.osakafu-u.ac.jp, Osaka Prefecture University, Department of Physics and Electronics, Sakai, Osaka 599-8531, Japan
Yoshihiko Hirai
Affiliation:
hirai@pe.osakafu-u.ac.jp, Osaka Prefecture University, Department of Physics and Electronics, Sakai, Osaka 599-8531, Japan
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Abstract

Molecular dynamics (MD) studies are carried out to investigate the electron irradiation damages in carbon nanomaterials. The interaction between an incident electron and a carbon atom is modeled based on the Monte Carlo method using the elastic scattering cross section. The electron irradiation damages in graphen, graphite, single-walled carbon nanotube (SWNT) and carbon nanopeapod are demonstrated. The cross-links among the nanostructures caused by the knock-on effect are observed as typical damages. The dependence of the damages on the electron primary energy is also shown for the SWNT.

Keywords

radiation effectsnanostructuretransmission electron microscopy (TEM)
Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 1057: Symposium II – Nanotubes and Related Nanostructures , 2007 , 1057-II10-28
Copyright
Copyright © Materials Research Society 2008

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References

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