Ｂｉ‐Ｐｂ‐Ｓｒ‐Ｃａ‐Ｃｕ‐Ｏ系高温相へのＢａ添加効果　（Ｖ）

• 草野 圭弘

  岡山理科大学工学部

• 山口 一裕

  岡山理科大学工学部

• 福原 実

  岡山理科大学工学部

• 土井 章

  岡山理科大学工学部

• 高田 利夫

  岡山理科大学工学部

• 藤原 正志

  岡山大学工学部

• 高田 潤

  岡山大学工学部

書誌事項

タイトル別名

• Effect of Ba Addition to the High-Tc Phase in the Bi-Pb-Sr-Ca-Cu-O System. (V).
• Bi Pb Sr Ca Cu Oケイ コウオンソウ エ ノ Ba テンカ コウ

抄録

The effects of cooling condition and Ba addition time on Tc of high-Tc phase in the Bi-Pb-Sr-Ca-Cu-O system were studied. X-ray diffraction and DC resistance measurements were carried out to observe phase identification and Tc values for a series of samples with compositions of Bi:Pb:Sr:Ba:Ca:Cu=0.9:0.2:1.0:X:1.0:1.6(X=0-0.05). When a mixture of BaCO₃ and synthesized high-Tc phase was heated at 850°C for 60h in air, only a solid solution of high-Tc phase was formed in a quenched sample. However, in a sample cooled down slowly, Bi₃(Sr, Ba)₄Ca₃O_z was found as an impurity phase in addition to the solid solution of high-Tc phase. Mixtures of BaCO₃ (X=0.04) and the rest of metal oxides or metal carbonates were heated at 845°C 96h in air. Bi₃(Sr, Ba)₄Ca₃O_z was also found in addition to the high-Tc phase in a quenched sample. When BaCO₃ was added to the synthesized high-Tc phase, Tc(R=0) was 119K for the heated samples. When BaCO₃ was added in starting materials, Tc decreased to 110K due to the formation of Bi₃(Sr, Ba)₄Ca₃O_Z.

収録刊行物

• 粉体および粉末冶金

  粉体および粉末冶金 39 (5), 374-377, 1992

  一般社団法人 粉体粉末冶金協会

キーワード

• Materials Chemistry
• Metals and Alloys
• Industrial and Manufacturing Engineering
• Mechanical Engineering

詳細情報

• CRID: 1390282681281383552
• NII論文ID: 130000818168
• NII書誌ID: AN00222724
• DOI: 10.2497/jjspm.39.374
• ISSN: 18809014
• ISSN: 05328799
• NDL書誌ID: 3769700
• Web Site: https://ndlsearch.ndl.go.jp/books/R000000004-I3769700
• 本文言語コード: ja
• データソース種別:
  • JaLC
  • NDL
  • Crossref
  • CiNii Articles
• 抄録ライセンスフラグ: 使用不可