Conical beams from open nanotubes

Yahachi Saito, Koji Hamaguchi, Koichi Hata, Kunio Uchida, Yoshiharu Tasaka, Fumikazu Ikazaki, Motoo Yumura, Atsuo Kasuya and Yuichiro Nishina
Additional contact information
Yahachi Saito: Mie University
Koji Hamaguchi: Mie University
Koichi Hata: Mie University
Kunio Uchida: National Institute of Materials and Chemical Research
Yoshiharu Tasaka: National Institute of Materials and Chemical Research
Fumikazu Ikazaki: National Institute of Materials and Chemical Research
Motoo Yumura: National Institute of Materials and Chemical Research
Atsuo Kasuya: Institute for Materials Research, Tohoku University
Yuichiro Nishina: Institute for Materials Research, Tohoku University

Nature, 1997, vol. 389, issue 6651, 554-555

Abstract: Abstract Electron guns are indispensable devices that are widely used in household and industrial appliances. Field electron-emitting sources (which emit electrons by tunnelling effects in electric fields), with their small size, small energy spread, high current density and no requirement for heat, have distinct advantages over thermionic emitters. We have made a field electron emitter from hollow, open-ended carbon nanotubes.

Date: 1997
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DOI: 10.1038/39221

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