PRESSING PRESSURE-DEPENDENCE OF CRITICAL CURRENT-DENSITY IN SINGLE-PHASE 2223 BI,PB-SR-CA-CU-O POLYCRYSTALLINE SUPERCONDUCTOR

被引：14

作者：

PLECHACEK, V

HEJDOVA, H

TREJBALOVA, Z

机构：

[1] National Research Institute for Materials, 113 12 Prague 1

来源：

CRYOGENICS | 1990年 / 30卷 / 09期

关键词：

Bi-Ca-Sr-Cu-O; critical current density; superconductor;

D O I：

10.1016/0011-2275(90)90271-D

中图分类号：

O414.1 [热力学];

学科分类号：

摘要：

The transport critical current density, Jc, of single-phase 2223 polycrystalline samples of nominal composition (Bi0.9Pb0.1)2Sr2Ca2Cu3O10+x was measured. The samples were compacted by uniaxial pressure in the region 10-1200 MPa and then sintered. A texture with a preferred orientation of the c axis parallel to the direction of the pressing pressure was observed. It was found that the magnitude of the pressing pressure was substantial to reach a high Jc. The best samples exhibited Jc (at 77 K) as high as 1600 A cm-2 and 250 A cm-2 at magnetic fields of 0 T and 140 mT, respectively. © 1990.

引用

页码：750 / 753

页数：4

共 11 条

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