Direct growth of carbon nanofibers on metal mesh substrates by ion irradiation method

Zamri, M.; Ghosh, Pradip; Wang, Z. P.; Kawagishi, M.; Hayashi, A.; Hayashi, Y.; Tanemura, M.

doi:doi:10.1116/1.3318694

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Journal of Vacuum Science & Technology B / Volume 28 / Issue 2 / PAPERS FROM THE 22nd INTERNATIONAL VACUUM NANOELECTRONICS CONFERENCE / Fabrication

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J. Vac. Sci. Technol. B 28, C2C9 (2010); http://dx.doi.org/10.1116/1.3318694 (4 pages)

Direct growth of carbon nanofibers on metal mesh substrates by ion irradiation method

M. Zamri¹, Pradip Ghosh², Z. P. Wang², M. Kawagishi², A. Hayashi², Y. Hayashi², and M. Tanemura²

¹Department of Frontier Materials, Graduate School of Engineering, Nagoya Institute of Technology, Gokiso-cho, Showa-ku, Nagoya 466-8555, Japan and Department of Materials, Faculty of Mechanical Engineering, Universiti Teknologi Malaysia, Skudai, Johor 81310, Malaysia
²Department of Frontier Materials, Graduate School of Engineering, Nagoya Institute of Technology, Gokiso-cho, Showa-ku, Nagoya 466-8555, Japan

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(Published online 30 March 2010)

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A direct growth of carbon nanofibers (CNFs) on the metal meshes by an ion irradiation method has been demonstrated. The average diameter and length of CNFs were found to be 50 nm and 2.0 μm for Cu meshes, and 20 nm and 1.0 μm for Mo meshes, respectively. Scanning electron microcopy images revealed that sputtering time and metal species of meshes influenced the morphology of the obtained nanofibers. High resolution transmission electron microscopy images indicated that the nanofibers were metal-composite CNFs in which the very fine metal crystallites dispersed in the amorphous carbon matrix. It was also demonstrated that the amorphous based structure changed to nanowires covered with graphene layers after the current flow in the composite CNFs.

ACKNOWLEDGMENT

This work was partially supported by the Japan Society for the Promotion of Science (JSPS), Grants-in-Aid for Scientific Research B (Grant No. 18360022).

Article Outline

INTRODUCTION
EXPERIMENT
RESULTS AND DISCUSSION
SUMMARY

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KEYWORDS and PACS

Keywords

carbon, copper, graphene, ion beam effects, molybdenum, nanocomposites, nanofibres, nanowires, scanning electron microscopy, sputtering, transmission electron microscopy

PACS

81.07.-b

Nanoscale materials and structures: fabrication and characterization
79.20.Rf

Atomic, molecular, and ion beam impact and interactions with surfaces
68.37.Og

High-resolution transmission electron microscopy (HRTEM)
68.37.Hk

Scanning electron microscopy (SEM) (including EBIC)
61.82.Ms

Insulators
81.05.U-

Carbon/carbon-based materials

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History

Received 11 September 2009
Accepted 19 January 2010
Published online 30 March 2010

Digital Object Identifier

http://dx.doi.org/10.1116/1.3318694

PUBLICATION DATA

ISSN

1071-1023 (print)

1520-8567 (online)

Publisher

American Vacuum Society

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