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首页> 外文期刊>Small >Temperature-Dependent Growth of Germanium Oxide and Silicon Oxide Based Nanostructures, Aligned Silicon Oxide Nanowire Assemblies, and Silicon Oxide Microtubes
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Temperature-Dependent Growth of Germanium Oxide and Silicon Oxide Based Nanostructures, Aligned Silicon Oxide Nanowire Assemblies, and Silicon Oxide Microtubes

机译:氧化锗和氧化硅基纳米结构,对准的氧化硅纳米线组件以及氧化硅微管的温度依赖性生长。

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摘要

We demonstrate the temperature-dependent growth of germanium oxide and silicon oxide based composite nanostructures (multiple nanojunctions of Ge nanowires and SiOx nanowires, Ge-filled SiO_2 nanotubes, Ge/SiO_2 coaxial nanocables, and a variety of interesting micrometer-sized structures), aligned SiOx nanowire assemblies, and SiOx microtubes. The structures were characterized by SEM, TEM, energy-dispersive X-ray spectroscopy, and electron diffraction. The combination of laser ablation of a germanium target and thermal evaoporation of silicon monoxide powders resulted in the formation of Ge and SiOx species in a carrier gas; the nano/micro-sized structures grow by either a Ge-catalyzed vapor-liquid-solid or a Ge-nanowire-templated vapor-solid process.
机译:我们证明了氧化锗和氧化硅基复合纳米结构(Ge纳米线和SiOx纳米线的多个纳米结,Ge填充的SiO_2纳米管,Ge / SiO_2同轴纳米电缆以及各种有趣的微米级结构)的温度依赖性增长。 SiOx纳米线组件和SiOx微管。通过SEM,TEM,能量色散X射线光谱和电子衍射对结构进行了表征。锗靶材的激光烧蚀与一氧化硅粉末的热蒸发相结合,导致在载气中形成Ge和SiOx物种。纳米/微米级结构通过Ge催化的气液固或Ge-纳米线模板气固工艺生长。

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  • 来源
    《Small》 |2005年第4期|p. 429-438|共10页
  • 作者单位

    International Center for Young Scientists (ICYS), National Institute for Materials Science (NIMS), Namiki 1-1, Tsukuba, Ibaraki 305-0044, Japan;

    Department of Materials Science and Engineering, Hefei University of Technology, Hefei, Anhui (P. R. China);

    Technical Institute of Physics and Chemistry, Chinese Academy of Sciences (CAS), Beijing (P. R. China);

    Center of Super-Diamond and Advanced Films (COSFAD), Department of Physics and Materials Science, City University of Hong Kong, Hong Kong SAR (P. R. China);

    Center of Super-Diamond and Advanced Films (COSFAD), Department of Physics and Materials Science, City University of Hong Kong, Hong Kong SAR (P. R. China);

  • 收录信息
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 特种结构材料;
  • 关键词

    germanium; microstructures; nanowires; oxides; silicon;

    机译:锗;微结构;纳米线;氧化物;硅;

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