SYNTHESIS AND INVESTIGATION OF THE COMPLEX COPPER OXIDES BI2SR2R2-XCEXCU2O10+DELTA (R = RARE-EARTH)

被引：5

作者：

KHASANOVA, NR ^{[1
]}

KHARLANOV, AL ^{[1
]}

ANTIPOV, EV ^{[1
]}

KOVBA, LM ^{[1
]}

GIPPIUS, AA ^{[1
]}

MOSHCHALKOV, VV ^{[1
]}

机构：

[1] MV LOMONOSOV STATE UNIV,DEPT PHYS,MOSCOW 119899,USSR

来源：

PHYSICA C | 1992年 / 190卷 / 04期

关键词：

D O I：

10.1016/0921-4534(92)90714-N

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

Bi-2222 phases were prepared by solid state reactions and were studied using X-ray diffraction, chemical and EDS-analysis. Compounds with composition Bi2Sr2R1.33Ce0.67Cu2O10 + delta were obtained for R = Pr, Nd, Sm-Er. The phases Bi2Sr2R2Cu2O10 + delta with similar structure but without Ce were prepared for R = Pr, Sm-Dy. For Bi2Sr2Eu2-xCu2O10 + delta the solubility limit was determined and the effect of treatment under different oxygen pressures was investigated. Weak diamagnetic signals (< 3%) were detected for some of these samples.

引用

页码：522 / 526

页数：5

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