On the mechanism of enhancing the nucleation behavior of UNCD films by Mo-coating

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题名:	On the mechanism of enhancing the nucleation behavior of UNCD films by Mo-coating
作者:	Chen, Huang-Chin;Liu, Keng-Fu;Tai, Nyan-Hua;Pong, Way-Faung;Lin, I-Nan
贡献者:	淡江大學物理學系
关键词:	Ultra-nanocrystalline diamond films;Molybdenum coating;Transmission electron microscopy
日期:	2010-02
上传时间:	2011-09-30 22:01:48 (UTC+8)
出版者:	Amsterdam: Elsevier S.A.
摘要:	Enhanced nucleation behavior for ultra-nanocrystalline diamond on Si-substrates via the utilization of Mo-coating was observed. Spectroscopic examinations indicated that the mechanism of enhancement is the formation of Mo2C phase, which hindered the inward diffusion of carbon species into the substrate materials. The diamonds may either nucleate directly on Mo2C-layer or via the formation of transition phases, the graphite. The incoming carbons may also react with Mo2C phase to form MoC phase or form the graphite phase prior to the induction of diamond nuclei. In all cases, the carbons accumulated rapidly due the presence of a Mo2C (or MoC) layer, triggering the formation of diamond nuclei.
關聯:	Diamond and Related Materials 19(2–3), pp.134–137
DOI:	10.1016/j.diamond.2009.11.020
显示于类别:	[物理學系暨研究所] 期刊論文

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