Effect of field power on growth of multiwall carbon nanotubes

Yuan Ron Ma*, Kai Wen Cheng, Cheng Hung Shee, Chai Chang Tsai, Chia Liang Cheng, Hsiang Lin Liu, Ming Shou Wong, Yung Liou, Yeong Der Yao

*Corresponding author for this work

Research output: Contribution to journalConference articlepeer-review

11 Citations (Scopus)

Abstract

Hot-filament chemical vapor deposition (HFCVD), using a mixture of methane and hydrogen, is used to grow multiwall carbon nanotubes (MWNTs) on a nickel (Ni) plate. When electrical fields with various powers were applied between the tungsten (W) filaments and the surface of the Ni plate, alignment MWNTs formed along the direction of the electrical field, which was vertical to the surface of the Ni plate. This study revealed that the length of the alignment MWNT increased linearly with the field power, presenting the effect of field power on the growth of MWNT.

Original languageEnglish
Pages (from-to)61-64
Number of pages4
JournalJournal of Magnetism and Magnetic Materials
Volume282
Issue number1-3
DOIs
Publication statusPublished - 2004 Nov
EventInternational Symposium on Advanced Magnetic Technologies - Taipei, Taiwan
Duration: 2003 Nov 132003 Nov 16

Keywords

  • Effect of field power
  • Hot-filament chemical vapor deposition
  • Multiwall carbon nanotubes
  • Vertical alignment

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics

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