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    题名: Electron field emission properties on ultra-nano-crystalline diamond coated silicon nanowires
    作者: Tzeng, Yu-Fen;Lee, Chi-Young;Chiu, Hsin-Tien;Tai, Nyan-Hwa;林諭男;Lin, I-nan
    贡献者: 淡江大學物理學系
    关键词: Electron field emission properties;Ultra-nano-crystalline diamond (UNCD);Silicon nanowires (SiNWs);UNCD nano-emitters
    日期: 2008-07-01
    上传时间: 2010-02-23 14:24:18 (UTC+8)
    出版者: Elsevier
    摘要: Ultra-nano-crystalline diamond (UNCD) nano-emitters were prepared by coating UNCD films on the tip of silicon nanowire (SiNW) templates by microwave plasma-enhanced chemical vapor deposition process. The electron field emission properties of the UNCD/SiNW nano-emitters varied markedly with the pre-seeding process for the SiNW-templates. The direct ultrasonication process is more efficient in the formation of the diamond nuclei than the carburization/ultrasonication process, yielding UNCD/SiNWs nano-emitters with better electron field emission properties. The electron field emission can be turned on at (E0)UNCD/SiNW4 = 3.75 V/µm, yielding a large electron field emission current density of (Je)UNCD/SiNW4 = 11.22 mA/cm2 at an applied field of 9.75 V/µm. These characteristics are significantly better than those of bare SiNWs or planar UNCD films.
    關聯: Diamond and Related Materials 17(7-10), pp.1817-1820
    DOI: 10.1016/j.diamond.2008.03.023
    显示于类别:[物理學系暨研究所] 期刊論文

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