SYNTHETIC CONDITION AND PROPERTIES OF THE BI-PB-SR-CA-CU-O SUPERCONDUCTOR WITH SINGLE HIGH-TC PHASE

被引：11
|
作者：
SUN, YP
JIANG, JY
ZENG, FC
YIN, HQ
DU, JJ
机构：
[1] Institute of Solid State Physics, Academia Sinica, Hefei
来源：
PHYSICA STATUS SOLIDI A-APPLIED RESEARCH | 1990年 / 119卷 / 02期
关键词：
14;
D O I：
10.1002/pssa.2211190218
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The single 110 K phase Bi‐PbSrCaCuO superconductor is prepared by multi‐grinding and sintering in air. The forming process of 110 K phase is discussed. The properties of the samples obtained by using different synthetic condition are studied. The results indicate that the grains of the high‐Tc phase may grow on the surface of the grain of the low‐Tc phase and that the forming rate of the high‐Tc phase can be speeded by multi‐grinding. The step of χ′ and the peak of χ″ about 100 K are observed in the multigrinding sample in terms of the ac complex susceptibility χ′‐iχ″. The step and the peak may be caused by the weak‐link. Copyright © 1990 WILEY‐VCH Verlag GmbH & Co. KGaA
引用
收藏
页码：555 / 560
页数：6
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