Sol-gel synthesis and superconducting properties of Bi-2212 high-TC superconductors

被引：1
|
作者：
Zalga, A. [1 ]
Beganskiene, A. [1 ]
Kareiva, A. [1 ]
机构：
[1] Vilnius State Univ, Dept Gen & Inorgan Chem, LT-03225 Vilnius, Lithuania
来源：
POLISH JOURNAL OF CHEMISTRY | 2007年 / 81卷 / 09期
关键词：
high-T-C superconductors; Bi-2212; sol-gel synthesis;
D O I：
暂无
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
A novel aqueous sol-gel synthesis technique has been refined to prepare heterometallic (Bi1.75Pb0.25)Sr2CaCu2Ox and (Bi1.8Pb0.33)Sri(1.87)CaCu(2)O(x) (Bi-2212) oxides. The formation of Bi-2212 phase depending on synthesis conditions (duration of annealing, stoichiometry of metals) has been estimated. The synthesized products were characterized by powder X-ray diffraction analysis (XRD) and resistivity measurements. It was demonstrated, that the investigated synthesis conditions only slightly influence on the phase purity and superconducting properties of Bi-2212 phase.
引用
收藏
页码：1547 / 1553
页数：7
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