Synthesis and Superconducting Properties of Layered Ruthenocuprates

被引：1
|
作者：
Kenji Otzschi
Tomonori Mizukami
Toru Hinouchi
Jun-Ichi Shimoyama
Kohji Kishio
机构：
[1] University of Tokyo,Department of Superconductivity
来源：
Journal of Low Temperature Physics | 1999年 / 117卷
关键词：
Oxygen; Magnetic Material; Structural Difference; Oxygen Nonstoichiometry; Large Oxygen;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
Superconducting properties of layered ruthenocuprates, RuSr2RECu2O8and RuSr2(RE1-xCex)2Cu2O10(RE = Sm, Eu, Gd), are investigated. The differences between superconductivity of these two phases are considered to be due to, their structural differences ; The RE/Sr substitution is more feasible in RuSr2RECu2O8than in RuSr2(RE1-xCex)2Cu2O10, while the latter phase shows larger oxygen nonstoichiometry. The superconducting RuSr2Eu2Cu2O8(Tc, onset= 25K, Tc, zero= 7K) phase was successfully synthesized for the first time, and coexistence of superconductivity and ferromagnetism in these systems was reconfirmed by using single-phase samples.
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页码：855 / 859
页数：4
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