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PREPARATION OF CRYSTALLINE SIC/SIO_2 CORE-SHELL COAXIAL NANOCABLES

机译:晶体SIC / SIO_2核壳型同轴纳米粉的制备

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摘要

A simple direct synthesis method was used to synthesis SiC/SiO_2 core-shell coaxial nanocables by thermal evaporation of the mixed powders of silicon monoxidernand active carbon at 1300℃ and condensation on Si substrate without assistance of any catalyst. The SiC core typically has diameters of about 30-40nm and is covered by a uniform layer of about 2-4nm thick amorphous SiO_2. A double vapor-solid growth process is proposed for the formation of this novel structures based on detailed structural characterizations. The cable nanostructures may find applications as building blocks in nanomechanical or nanoelectronic devices.
机译:采用一种简单的直接合成方法,通过在1300℃下热蒸发一氧化硅与活性炭的混合粉末并在没有任何催化剂的辅助下在Si衬底上缩合,合成了SiC / SiO_2核-壳同轴纳米电缆。 SiC核的直径通常约为30-40nm,并被约2-4nm厚的非晶SiO_2的均匀层覆盖。基于详细的结构特征,提出了一种双气固生长方法来形成这种新颖的结构。电缆纳米结构可以在纳米机械或纳米电子设备中用作构建基块。

著录项

  • 来源
    《Nanotechnology amp; applications》|2008年|119-123|共5页
  • 会议地点 Crete(GR);Crete(GR)
  • 作者单位

    Beijing Information Science Technology University,Beijing Key Laboratory for Sensor, Beijing 100101, China Suzhou College, Anhui 234000, China;

    Beijing Information Science Technology University,Beijing Key Laboratory for Sensor, Beijing 100101, China;

    Beijing Information Science Technology University,Beijing Key Laboratory for Sensor, Beijing 100101, China;

    Beijing Information Science Technology University,Beijing Key Laboratory for Sensor, Beijing 100101, China;

    Beijing Information Science Technology University,Beijing Key Laboratory for Sensor, Beijing 100101, China;

  • 会议组织
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 特种结构材料;
  • 关键词

    SiC/SiO_2 core-shell; coaxial nanocables; thermal evaporation;

    机译:SiC / SiO_2核壳;同轴纳米电缆;热蒸发;

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