期刊
DIAMOND AND RELATED MATERIALS
卷 13, 期 4-8, 页码 638-642出版社
ELSEVIER SCIENCE SA
DOI: 10.1016/j.diamond.2004.01.034
关键词
nanocrystalline; freestanding; CVD diamond; titanium oxide
In this paper, we report the deposition of freestanding nanocrystalline diamond (NCD) films and dense nanocrystalline titanium oxide (nc-TiO2) coatings onto pyrolytic carbon (PyC) using advanced chemical vapour deposition (CVD) and sol-gel techniques, respectively. The micro-structural properties, such as surface morphology and crystallinity, of PyC, NCD and nc-TiO2 were characterised using XRD, Raman spectroscopy and SEM analysis. Freestanding NCD films were prepared using our newly introduced time-modulated CVD (TMCVD) process. Furthermore, conventional sol-gel technique was used to uniformly coat PyC with dense nc-TiO2 coatings. The as-grown nc-TiO2 coatings were found to display smooth surface profiles and the average crystallite size was in the range approximately 30-50 nm. (C) 2004 Elsevier B.V. All rights reserved.
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