VARIATION OF THE OXYGEN-CONTENT OF LEAD-CONTAINING CUPRATES

被引：7

作者：

HAUCK, J ^{[1
]}

ALTENBURG, H ^{[1
]}

BISCHOF, B ^{[1
]}

DENKER, S ^{[1
]}

DROSTE, E ^{[1
]}

IPTA, S ^{[1
]}

PLEWA, J ^{[1
]}

机构：

[1] FACHHSCH MUNSTER, FACHBEREICH CHEM INGENIEURWESEN, W-4430 STEINFURT, GERMANY

来源：

PHYSICA C-SUPERCONDUCTIVITY AND ITS APPLICATIONS | 1991年 / 178卷 / 4-6期

关键词：

D O I：

10.1016/0921-4534(91)90090-L

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

The variation of oxygen content with temperature and oxygen partial pressure has been studied by DTA, TGA, X-ray diffraction and iodometry for Pb0.5SrLaCu1.5Ox, x approximately 5, (La, Pb)2SrCu2Ox, x approximately 5.6, Pb2SrLaCu2Ox, x = 6-7.9, Pb2Sr2Y0.5Ca0.5Cu3Ox, x = 8-9.6 and PbBaSrYCu3Ox, x = 7-8. The compounds Pb2SrLaCu2Ox and Pb2Sr2Y0.5Ca0.5Cu3Ox containing CuO chains as in Ba2YCu3O7 behave differently - they are semiconducting at high oxygen content. Pb0.5SrLaCu1.5Ox and (La, Pb)2SrCu2Ox with little volatilization of PbO can be used as precursors for the preparation of Pb2SrLaCu2Ox.

引用

页码：405 / 410

页数：6

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