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首页> 外文期刊>Crystal growth & design >Spectroscopic Sensing of O-2-C2H2-C2H4 Flames for Diamond Growth Using Femtosecond Filamentation
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Spectroscopic Sensing of O-2-C2H2-C2H4 Flames for Diamond Growth Using Femtosecond Filamentation

机译:使用Femtosecond丝状的O-2-C2H2-C2H4火焰的光谱检测

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摘要

The influence of the resonant vibrational excitation of the ethylene wagging mode (upsilon(7), 949.3 cm(-1)) on the combustion chemical vapor deposition of diamond was studied via femtosetorid laser-induced filamentation (FLIF) spectroscopy. The O-2-C2H2-C2H4 flame filaments were sampled within the diamond-formation zones to investigate the evolution of the diamond-formation-related species. In addition to higher diamond growth rates, increasing the incident laser power density led to the transitions of diamond crystal facets and quality as the results of competition between carbon-containing and OH-containing species. Evaluated using the C-2/OH number density ratio, {100}-faceted diamond crystals were obtained at the C-2/OH ratio of 110.00, while {111}-faceted diamond crystals were produced at the C-2/OH ratio of 133.34.
机译:通过Femtosetorid激光诱导的细丝(FLIF)光谱研究了乙烯淋巴模式(Upsilon(7),949.3cm(-1))对金刚石燃烧化学气相沉积的影响。 在金刚石形成区内取样O-2-C2H2-C2H4火焰细丝,以研究与金刚石形成相关的物种的演变。 除了较高的钻石生长速率之外,由于碳含量和含否的物种之间的竞争结果,引起了事件激光功率密度的增加导致了金刚石晶面和质量的转变。 使用C-2 / OH数密度比评价,以110.00的C-2 / OH比获得{100} - 涤金金刚石晶体,而在C-2 / OH比下生产 133.34。

著录项

  • 来源
    《Crystal growth & design》 |2017年第6期|共7页
  • 作者单位

    Univ Nebraska Dept Elect &

    Comp Engn Lincoln NE 68588 USA;

    Univ Nebraska Dept Elect &

    Comp Engn Lincoln NE 68588 USA;

    Univ Nebraska Dept Elect &

    Comp Engn Lincoln NE 68588 USA;

    CNRS ICMCB Ave Docteur Albert Schweitzer F-33608 Pessac France;

    Univ Nebraska Dept Elect &

    Comp Engn Lincoln NE 68588 USA;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 晶体学;
  • 关键词

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