Formation and Deformation of Multiwall Carbon Nanotubes in Arc Discharge
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概要
- 論文の詳細を見る
Running arcs under both vacuum and low pressure and a jumping arc under vacuum were generated with a pure graphite cathode for 1–3 s upon applying a magnetic field. For the running arcs under both vacuum and low pressure, multiwall carbon nanotubes (MWNTs) were observed only at the cathode spot craters where the arcs were extinguished by switching the power off. At the crater where the cathode spot had run over, nanotubes were hardly observed. For the jumping arc in vacuum that was self-extinguished, only a few nanotubes were observed at the cathode spot craters. No nanotubes were observed on the surface outside the cathode spot crater for all arcs. These results revealed that the nanotubes are formed, as well as destroyed, by the cathode spot. The process of nanotube formation and deformation is discussed, taking into account the cathode spot activity and electron emission.
- Published by the Japan Society of Applied Physics through the Institute of Pure and Applied Physicsの論文
- 2001-05-15
著者
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Takikawa Hirofumi
Department Of Electrical And Electronic Engineering Toyohashi University Of Technology
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Tao Yoshitaka
Department Of Electrical And Electronic Engineering Toyohashi University Of Technology
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Miyano Ryuichi
Department Of Electrical And Electronic Engineering Toyohashi University Of Technology
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Zhao Xinluo
Department Of Materials Science And Engineering Meijo University
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Sakakibara Tateki
Department Of Electrical And Electronic Engineering Toyohashi University Of Technology
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Ando Yoshinori
Department Of Applied Physics Faculty Of Engineering Nagoya University
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Miyano Ryuichi
Department of Electrical and Electronic Engineering, Toyohashi Univerity of Technology, Toyohashi, Aichi 441-8085, Japan
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Sakakibara Tateki
Department of Electrical and Electronic Engineering, Toyohashi Univerity of Technology, Toyohashi, Aichi 441-8085, Japan
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Ando Yoshinori
Department of Materials Science and Engineering, Meijo University, Nagoya 468-8502, Japan
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Zhao Xinluo
Department of Materials Science and Engineering, Meijo University, Nagoya 468-8502, Japan
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Tao Yoshitaka
Department of Electrical and Electronic Engineering, Toyohashi Univerity of Technology, Toyohashi, Aichi 441-8085, Japan
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Takikawa Hirofumi
Department of Electric and Electronic Information Engineering, Toyohashi University of Technology, Toyohashi, Aichi 441-8105, Japan
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