BaTiO_3固相反応における陰イオン添加効果および反応過程の解明 An Effect of Anion Addition on the Reaction Rate in the Solid State Reaction of BaTiO_3 and an Analysis of the Reaction Process

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The microstructural change in the solid-state reaction of BaCO<SUB>3</SUB> and TiO<SUB>2</SUB> to form BaTiO<SUB>3</SUB> has been investigated by using Scanning Transmission Electron Microscopy (STEM). The STEM images showed that the film of BaTiO<SUB>3</SUB> formed at the surface of TiO<SUB>2</SUB> particle in the first stage of this reaction. As the reaction progressed, the film thickened toward the center of TiO<SUB>2</SUB> particle without forming intermediate phase such as Ba<SUB>2</SUB>TiO<SUB>4</SUB>. The influence of anion addition on the reaction rate in this solid-state reaction was also investigated. The addition of BaCl<SUB>2</SUB> accelerated the formation of BaTiO<SUB>3</SUB>.

収録刊行物

  • 粉体および粉末冶金

    粉体および粉末冶金 50(10), 751-756, 2003-10-15

    Japan Society of Powder and Powder Metallurgy

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各種コード

  • NII論文ID(NAID)
    10012452568
  • NII書誌ID(NCID)
    AN00222724
  • 本文言語コード
    JPN
  • 資料種別
    ART
  • ISSN
    05328799
  • NDL 記事登録ID
    6743533
  • 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  CJP引用  NDL  J-STAGE 
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