PHASE-EQUILIBRIUM IN THE SRCO3-BI2O3-CUO PSEUDO-TERNARY SYSTEM

被引：0
|
作者：
SUGAI, T
IMAI, S
OYA, G
YAMASHITA, T
机构：
[1] JAPAN ADV INST SCI & TECHNOL,TATSUNOKUCHI,ISHIKAWA 92312,JAPAN
[2] UTSUNOMIYA UNIV,FAC ENGN,DEPT ELECT & ELECTR ENGN,UTSUNOMIYA,TOCHIGI 321,JAPAN
来源：
NIPPON SERAMIKKUSU KYOKAI GAKUJUTSU RONBUNSHI-JOURNAL OF THE CERAMIC SOCIETY OF JAPAN | 1994年 / 102卷 / 01期
关键词：
SRCO3-BI2O3-CUO SYSTEM; SUPERCONDUCTING RAVEAU-PHASE; COLLAPSED-221; PHASE; PEROVSKITE PHASE;
D O I：
暂无
中图分类号：
TQ174 [陶瓷工业]; TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
The subsolidus pseudo-ternary phase diagram in the system SrCO3-Bi2O3-CuO was constructed by using prereacted binary compounds. The composition of superconducting Raveau (R) phase was determined to be Sr5Bi6CU3O17(563), and it melts at 920 degrees C. Besides R-phase, two ternary compounds with composition of Sr7Bi6Cu4O20(764) and Sr28Bi18CuO56(28-18-1) were found. The former phase was identified as the already-reported ''collapsed 221'' (C) phase, and it melted incongruently above 870 degrees C. The latter showed a perovskite-type structure related to that of K3MoF6, and had a cubic symmetry with a(0)=8.506 Angstrom.
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页码：35 / 40
页数：6
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