Eu1-xPrxBa2Cu3O7-δ solid solutions

被引：0
|
作者：
Glushkova, VB [1 ]
Krzhizhanovskaya, VA [1 ]
Egorova, ON [1 ]
Lapshin, AE [1 ]
Zaitsev, YM [1 ]
机构：
[1] Russian Acad Sci, Grebenshchikov Inst Silicate Chem, St Petersburg 199155, Russia
来源：
INORGANIC MATERIALS | 1998年 / 34卷 / 03期
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D O I：
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中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The oxidation state of lanthanides in Eu1-xPrxBa2Cu3O7-delta and the superconducting properties and structure of these solid solutions are studied. Substitution of praseodymium for europium leads to the formation of orthorhombic solid solutions over the entire: composition range. The introduction of praseodymium into EuBa2Cu3O7-delta causes a sharp decrease in T-c, presumably because the oxidation state of Pr in the solid solutionis higher than 3+, as evidenced by Pr K-alpha 1 chemical-shift measurements.
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页码：282 / 284
页数：3
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