Effects of strong magnetic field on carbon nanotube formation using rf glow-discharge plasma

T. Kaneko, H. Matsuoka, T. Hirata, R. Hatakeyama, K. Tohji

研究成果: Article査読

9 被引用数 (Scopus)

抄録

We have investigated the formation of uniform and well-aligned multi-walled carbon nanotubes (MWNTs) by controlling radio-frequency (rf) glow-discharge plasmas in weak and strong magnetic fields. The MWNTs growing directly on the rf electrode in the weak magnetic field (0.03 T) are deformed and combined with each other by the bombardment of the high energy ions generated by the large sheath electric field in front of the rf electrode. When the strong magnetic field (2 T) is applied, on the other hand, the MWNTs are observed to be well-aligned and not to be deformed. These results can be explained by the fact that the ion bombardment energy reduces in spite of the existence of the large sheath electric field, which is caused by the magnetization of the ions in the strong magnetic field.

本文言語English
ページ(範囲)259-262
ページ数4
ジャーナルThin Solid Films
506-507
DOI
出版ステータスPublished - 2006 5 26

ASJC Scopus subject areas

  • 電子材料、光学材料、および磁性材料
  • 表面および界面
  • 表面、皮膜および薄膜
  • 金属および合金
  • 材料化学

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