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    题名: Effects of tungsten metal coatings on enhancing the characteristics of ultrananocrystalline diamond films
    作者: Chen, Li-ju;Liu, Chun-chen;Tai, Nyan-hwa;Lee, Chi-young;Fang, Weileun;林諭男;Lin, I. N.
    贡献者: 淡江大學物理學系
    日期: 2008-03-01
    上传时间: 2010-08-10 09:45:35 (UTC+8)
    出版者: American Chemical Society (ACS)
    摘要: Nucleation of diamonds on Si substrates was pronouncedly improved by pre-coating a thin tungsten film on the substrates, which is attributed to the enhancement on the formation of the W−C phase in the tungsten silicon interface. The fact that the W coating can enhance the generation of the W−C phase for the W/Si substrate is ascribed to the fast accumulation of carbon species in the W layer, which, in turn, is consequence of the limit volume for carbon inward diffusion. On the contrary, the carbon species can diffuse into the bulk W materials continuously, resulting in a markedly slower rate of accumulation for carbon species and thus delaying the formation of diamond nuclei.
    關聯: Journal of Physical Chemistry C 112(10), pp.3759-3765
    DOI: 10.1021/jp709777g
    显示于类别:[物理學系暨研究所] 期刊論文

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