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Interaction volume of electron beam in carbon nanomaterials: A molecular dynamics study

Published online by Cambridge University Press:  07 July 2014

Masaaki Yasuda,
Shinya Wakuda,
Yoshiki Asayama,
Hiroaki Kawata and
Yoshihiko Hirai
Masaaki Yasuda
Affiliation:
Osaka Prefecture University, Sakai, Osaka 599-8531, Japan
Shinya Wakuda
Affiliation:
Osaka Prefecture University, Sakai, Osaka 599-8531, Japan
Yoshiki Asayama
Affiliation:
Osaka Prefecture University, Sakai, Osaka 599-8531, Japan
Hiroaki Kawata
Affiliation:
Osaka Prefecture University, Sakai, Osaka 599-8531, Japan
Yoshihiko Hirai
Affiliation:
Osaka Prefecture University, Sakai, Osaka 599-8531, Japan
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Abstract

A molecular dynamics (MD) simulation was performed to study the interaction volume of electron beam in carbon nanomaterials. The interaction between incident electron and carbon atom in the target materials during electron irradiation is introduced by the relativistic binary collision theory. The motion of each atom in the material under electron irradiation is calculated with the MD simulation. The primary energy dependence of the interaction volume in the carbon nanotube and the multi-layered graphene are studied. The secondary damages caused by the knock-on atoms are also discussed.

Keywords

electron irradiationnanostructuredefects

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Type
Articles
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MRS Online Proceedings Library (OPL) , Volume 1700: Symposium MM – Nanotubes and Related Nanostructures--2014 , 2014, pp. 29 - 35
Copyright
Copyright © Materials Research Society 2014 

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