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    National Tsing Hua University Institutional Repository > 理學院 > 物理系 > 期刊論文 >  Fabrication and field emission property studies of multiwall carbon nanotubes


    Please use this identifier to cite or link to this item: http://nthur.lib.nthu.edu.tw/dspace/handle/987654321/55028


    Title: Fabrication and field emission property studies of multiwall carbon nanotubes
    Authors: S Y Chen;H Y Miao;J T Lue;M S Ouyang2
    教師: 呂助增
    Date: 2004
    Publisher: Institute of Physics
    Relation: JOURNAL OF PHYSICS D-APPLIED PHYSICS, Institute of Physics, Volume 37, Issue 2, JAN 21 2004, Pages 273-279
    Keywords: CHEMICAL-VAPOR-DEPOSITION
    DIAMOND-LIKE FILMS
    TEMPERATURE-DEPENDENCE
    GLASSY-CARBON
    GROWTH
    MECHANISM
    SIZE
    Abstract: Well-aligned and randomly grown multiwall nanotubes (MWNTs) fabricated by the radio-field-induced self-bias hot-filament chemical vapour deposition method demonstrate that the growth mechanisms are either 'tip growth' or 'base growth' depending on the size of the catalyst metal particles involved. The carbon nanotubes (CNTs) can also be successfully grown on iron-like bulk alloys when preceded by hydrogen plasma etching. The high yield of CNT fabricated on oxidized metal alloys is attributed to the high active surface area that ensues from etching. The change in field emission currents of MWNTs with temperature is not sensitive but is detectable within the range 300–20 K. This is interpreted to be due to the high aspect ratio of CNTs.
    URI: http://www.iop.org/
    http://nthur.lib.nthu.edu.tw/dspace/handle/987654321/55028
    Appears in Collections:[物理系] 期刊論文

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