THE EFFECT OF OXYGEN PARTIAL-PRESSURE ON THE FORMATION OF (BI, PB)2SR2CA2CU3O10-X

被引：51

作者：

ZHU, W

NICHOLSON, PS

机构：

[1] McMaster Univ, Hamilton, Ont

来源：

JOURNAL OF MATERIALS RESEARCH | 1992年 / 7卷 / 01期

关键词：

D O I：

10.1557/JMR.1992.0038

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The effect of atmosphere on the formation of the 110 K (Bi2Sr2Ca2Cu3O10, 2223) superconductor phase was studied at different oxygen partial pressures and temperatures. Step heating at low oxygen partial pressures with intermediate grinding promoted 110 K phase formation. With this synergy the shortest time for single-phase 110 K superconductor formation was found to be 12 h between 845 and 865-degrees-C at P(O2) = 0.078 atmosphere. The activation energy of 110 K phase formation is 1513 KJ/mole in air.

引用

页码：38 / 42

页数：5

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