Direct Growth of Vertically Aligned Single-Walled Carbon Nanotubes on Metal Tip by Applying Electric Field
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概要
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We investigated single-walled carbon nanotube (SWNT) growth on electrochemically etched W tips by Co/Al catalyst-assisted chemical vapor deposition using ethanol as the carbon source. Vertically aligned SWNTs on the W tip apex were obtained by applying a voltage of 50 V to the W tip during the chemical vapor deposition. Also, we examined the field emission property of the vertically aligned single-walled carbon nanotube tip, and showed that it exhibits a low threshold voltage for electron emission. This growth method is useful for investigating the emission properties of individual SWNTs.
- 2007-09-15
著者
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Oshima Chuhei
Department Of Applied Physics Waseda University
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Homma Yoshikazu
Department Of Physics Tokyo University Of Science
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Chiashi Shohei
Department Of Mechanical Engineering The University Of Tokyo
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Koizumi Takayuki
Department Of Mechanical Engineering Doshisha University
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Takagi Daisuke
Department Of Internal Medicine Hyogo Prefectural Nishinomiya Hospital
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Ikeda Masato
Department Of Bioscience And Biotechnology Faculty Of Agriculture Shinshu University
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Ikeda Masato
Department of Physics, Tokyo University of Science, Shinjuku, Tokyo 162-8601, Japan
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Rokuta Eiji
Department of Applied Physics, Waseda University, Shinjuku, Tokyo 169-8555, Japan
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Oshima Chuhei
Department of Applied Physics, Waseda University, Shinjuku, Tokyo 169-8555, Japan
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Homma Yoshikazu
Department of Physics, Tokyo University of Science, Shinjuku, Tokyo 162-8601, Japan
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Koizumi Takayuki
Department of Physics, Tokyo University of Science, Shinjuku, Tokyo 162-8601, Japan
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TAKAGI Daisuke
Department of Biological and Environmental Science, Faculty of Agriculture, Graduate School of Agricultural Science, Kobe University
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