Electron emission sites on carbon nanotubes and the energy spectra

Chuhei Oshima*, Kohei Matsuda, Takayuki Kona, Yuhta Mogami, Masashi Komaki, Yoshitaka Murata, Tetsutane Yamashita, Yahachi Saito, Koichi Hata, Akihiro Takakura

*この研究の対応する著者

研究成果: Article査読

11 被引用数 (Scopus)

抄録

Two kinds of electron emission sites on carbon nanotubes have been clarified; one is a nanoprotrusion exhibiting deformed honeycomb structures composed of carbon hexagons, pentagons and possibly heptagons. The other is either an edged species or adsorbates. The emission spectra show two characteristic features; a broad main peak as compared with theoretical curves based on Fowler-Nordheim theory, and an additional shoulder at about 0.5 eV from EF, of which the features are observed independent of the emission direction. The broad main peak may indicate that energy band bending occurs near the emission sites.

本文言語English
ジャーナルJapanese Journal of Applied Physics, Part 2: Letters
40
11 B
出版ステータスPublished - 2001 11月 15

ASJC Scopus subject areas

  • 物理学および天文学(その他)

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