Electrical Percolation during Codeposition of Fe and Si Clusters by a Dual Source PGCCD System

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Random assemblies of Fe and Si clusters have been prepared using a dual source plasma gas condensation cluster deposition system and their conductivities were measured for various compositional ratios. The size distributions of Fe and Si clusters are obtained by transmission electron microscopy (TEM) observations and the volume fraction of Fe clusters, <I>f</I><SUB>Fe</SUB>, is estimated from the chemical analysis and packing fraction of cluster assemblies. Electrical conductivity, σ, of Fe and Si cluster assemblies obeys a power law of <I>f</I><SUB>Fe</SUB>. The dramatic change at around <I>f</I><SUB>Fe</SUB>=<I>f</I><SUB>c</SUB>, indicates that the percolation of Fe clusters takes place at the threshold value, <I>f</I><SUB>c</SUB>=0.16. It is consistent with the Links-Nodes-Blobs model calculated for a three dimensional percolation network.

収録刊行物

  • Materials transactions

    Materials transactions 49(4), 693-697, 2008-04-01

    The Japan Institute of Metals and Materials

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各種コード

  • NII論文ID(NAID)
    10021145512
  • NII書誌ID(NCID)
    AA1151294X
  • 本文言語コード
    ENG
  • 資料種別
    ART
  • ISSN
    13459678
  • NDL 記事登録ID
    9447117
  • NDL 雑誌分類
    ZP41(科学技術--金属工学・鉱山工学)
  • NDL 請求記号
    Z53-J286
  • データ提供元
    CJP書誌  NDL  J-STAGE 
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