Preparation and Properties of Novel Intergrowth System of BiS(VS_2)_n (1≦n≦15)

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Ternary sulfides of BiS(VS<SUB>2</SUB>)<SUB>n</SUB> (1 ≤ n ≤ 15) were prepared by heating the elemental mixtures in evacuated silica tubes at 1073 K. X-ray diffraction and electron diffraction measurements showed that BiS(VS<SUB>2</SUB>)<SUB>1.50</SUB> has a misfit layer structure, where the BiS layers are randomly lacked from the known misfit layer sulfide of (BiS)<SUB>1.16</SUB>VS<SUB>2</SUB>. BiS(VS<SUB>2</SUB>)<SUB>1.50</SUB> has a good conduction, showing a phase transition around 150 K possibly due to the CDW instability. The conduction of BiS(VS<SUB>2</SUB>)<SUB>1.50</SUB> was interpreted by the electron donation from BiS into the semiconductive VS<SUB>2</SUB>. BiS(VS<SUB>2</SUB>)<SUB>1.50</SUB> showed an antiferromagnetic ordering at ca. 30 K, and has a fairly small effective magnetic moments suggesting the strong itinerancy. It was found that the compounds of BiS(VS<SUB>2</SUB>)<SUB>n</SUB> with 3 ≤ n ≤ 15 have the intergrowth structures composed of BiS(VS<SUB>2</SUB>)<SUB>3</SUB> and VS<SUB>2</SUB> phases. Such a great variety of composite materials have never been investigated so far.

収録刊行物

  • 粉体および粉末冶金  

    粉体および粉末冶金 55(3), 185-191, 2008-03-15 

    Japan Society of Powder and Powder Metallurgy

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各種コード

  • NII論文ID(NAID)
    10021172883
  • NII書誌ID(NCID)
    AN00222724
  • 本文言語コード
    ENG
  • 資料種別
    ART
  • ISSN
    05328799
  • NDL 記事登録ID
    9436628
  • 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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