Crystallization behavior and partially melted states in Bi-Sr-Ca-Cu-O

Yoshio Oka, Naoichi Yamamoto, Hitoshi Kitaguchi, Kiichi Oda, Jun Takada

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66 Citations (Scopus)


High-temperature X-ray measurements were carried out on Bi-Sr-Ca-Cu-O. It was found that the 30 Å phase showed incongruent melting forming new crystalline phases which differed depending on the compositions. Crystallization from the melt by cooling first produced the 30 Å phase on solidification and then the 24 Å phase crystallized around 730°C. Crystallization from the glassy phase by heating started at 430°C and led to the 24 Å phase, which changed to the 30 Å phase above 800°C. As a rule, low-temperature crystallization from the amorphous phase takes place below 730°C to form the 24 Å phase in Bi-Sr-Ca-Cu-O.

Original languageEnglish
Pages (from-to)L213-L216
JournalJapanese journal of applied physics
Issue number2 A
Publication statusPublished - Feb 1989
Externally publishedYes


  • Bi-Sr-Ca-Cu-O system
  • Crystallization
  • High-temperature X-ray measurement
  • Incongruent melting
  • Partial melt

ASJC Scopus subject areas

  • General Engineering
  • General Physics and Astronomy


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