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Proceedings Paper

Synthesis of inorganic thin-layer-coated carbon nanotubes toward passivated nanoprobes
Author(s): Takashi Ikuno; Masaru Kishida; Jung Goo Lee; Shin-ichi Honda; Mitsuhiro Katayama; Hirotaro Mori; Kenjiro Oura
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Paper Abstract

We present a method for synthesizing inorganic-thin-layer-coated carbon nanotubes by pulsed laser deposition. Isolated multi-walled carbon nanotubes (MWNTs) were coated with inorganic thin layer in a multishell form. The product showed that various inorganic thin layers were uniformly wrapped around a MWNT, and reflected the shape of the MWNT. The thickness of the coated thin layer was precisely controlled with nanometer accuracy. Moreover, a metal-coated carbon nanotube (CNT) tip for scanning tunneling microscope (STM) has been developed. The observation of a Si(111)-7x7 surface using the metal-coated CNT tip demonstrated stable atomic imaging and potentiality of scanning tunneling spectroscopy (STS) measurement, which can be achieved from the pristine stage. It was demonstrated that the mechanical robustness and flexibility of the tip were maintained by virtue of the thin coated layer.

Paper Details

Date Published: 29 December 2004
PDF: 10 pages
Proc. SPIE 5593, Nanosensing: Materials and Devices, (29 December 2004); doi: 10.1117/12.580148
Show Author Affiliations
Takashi Ikuno, Osaka Univ. (Japan)
Masaru Kishida, Osaka Univ. (Japan)
Jung Goo Lee, Osaka Univ. (Japan)
Shin-ichi Honda, Osaka Univ. (Japan)
Mitsuhiro Katayama, Osaka Univ. (Japan)
Hirotaro Mori, Osaka Univ. (Japan)
Kenjiro Oura, Osaka Univ. (Japan)


Published in SPIE Proceedings Vol. 5593:
Nanosensing: Materials and Devices
M. Saif Islam; Achyut K. Dutta, Editor(s)

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