アモルファス相と準結晶に代表される非周期系物質群に関する基礎研究 Fundamental Studies of Non-periodic Systems Represented by Amorphous Alloys

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An amorphous alloy is defined as a solid with the lack of a long-range atomic order. The failure of the Bloch theorem is immediately deduced from this definition and can explain the possession of high electrical resistivities in amorphous alloys. However, studies of the local atomic structure of amorphous alloys have been extensively carried out since early 1980's and have led to the conclusion that certain short range order always develops in amorphous alloys. As its natural consequence, attention has been directed to its effect on various physical properties in the last decade. The discovery of quasicrystals in 1984 has certainly stimulated the research along this line, since quasicrystals are characterized by the absence of the translational symmetry but with the well-developed atomic order. In the present article, we demonstrate clearly how the short-range atomic structure affects the electron transport properties by analyzing the data associated with the metal-insulator transition for amorphous V-Si alloys. A unified picture for the electron transport mechanism for metallic solids, which include amorphous alloys, quasicrystals, approximants and crystals, is proposed.

収録刊行物

  • 粉体および粉末冶金

    粉体および粉末冶金 44(10), 912-920, 1997-10-15

    Japan Society of Powder and Powder Metallurgy

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各種コード

  • NII論文ID(NAID)
    10002261490
  • NII書誌ID(NCID)
    AN00222724
  • 本文言語コード
    JPN
  • 資料種別
    REV
  • ISSN
    05328799
  • NDL 記事登録ID
    4324255
  • NDL 雑誌分類
    ZP41(科学技術--金属工学・鉱山工学)
  • NDL 請求記号
    Z17-274
  • データ提供元
    CJP書誌  NDL  J-STAGE 
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