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Carbon nanotube growth on metal-catalyzed substrates in a laser oven apparatus

Published online by Cambridge University Press:  01 February 2011

Y. Suda ,
A. Tanaka ,
A. Okita ,
M. A. Bratescu ,
Y. Sakai ,
J. Nakamura ,
G. Y. Xiong  and
Z. F. Ren
Y. Suda
Affiliation:
Graduate School of Information Science and Technology, Hokkaido University North 14, West 9, Sapporo 060–0814, Japan
A. Tanaka
Affiliation:
Graduate School of Information Science and Technology, Hokkaido University North 14, West 9, Sapporo 060–0814, Japan
A. Okita
Affiliation:
Graduate School of Information Science and Technology, Hokkaido University North 14, West 9, Sapporo 060–0814, Japan
M. A. Bratescu
Affiliation:
Graduate School of Information Science and Technology, Hokkaido University North 14, West 9, Sapporo 060–0814, Japan
Y. Sakai
Affiliation:
Graduate School of Information Science and Technology, Hokkaido University North 14, West 9, Sapporo 060–0814, Japan
J. Nakamura
Affiliation:
Institute of Materials Science, University of Tsukuba Tsukuba, Ibaraki, 305–8573, Japan
G. Y. Xiong
Affiliation:
Department of Physics, Boston College, 140. Commonwealth Ave, Chestnut Hill, Massachusetts 02467, USA
Z. F. Ren
Affiliation:
Department of Physics, Boston College, 140. Commonwealth Ave, Chestnut Hill, Massachusetts 02467, USA
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Abstract

Carbon nanotubes (CNTs) were grown on Ni- and Fe-coated SiO2/Si substrates in a laser oven apparatus. The grown CNTs were analyzed by scanning electron microscopy. It is speculated that the CNTs grow out from the metal nanoparticle after laser-ablated carbon clusters have been dissolved in it. In a range of oven temperatures between 800 and 1100°C, growth of CNTs was achieved at a temperature ≥ 1000°C. The thickness of the Ni film controlled the CNTs diameter.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 858: Symposium HH – Functional Carbon Nanotubes , 2004 , HH3.6
Copyright
Copyright © Materials Research Society 2005

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References

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