THE PREPARATION OF TL-1223 SUPERCONDUCTORS AND AG-SHEATHED TAPES

被引：14

作者：

PENG, HT ^{[1
]}

PENG, QY ^{[1
]}

LUNG, XY ^{[1
]}

ZHOU, SH ^{[1
]}

QI, ZW ^{[1
]}

WU, YS ^{[1
]}

CHEN, JP ^{[1
]}

ZHONG, Y ^{[1
]}

CUI, BS ^{[1
]}

FANG, JR ^{[1
]}

CAO, GH ^{[1
]}

机构：

[1] UNIV SCI & TECHNOL BEIJING,DEPT MAT PHYS,BEIJING 100083,PEOPLES R CHINA

来源：

SUPERCONDUCTOR SCIENCE & TECHNOLOGY | 1993年 / 6卷 / 11期

关键词：

D O I：

10.1088/0953-2048/6/11/006

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

The preparation of Tl-1223 superconductor by the partial melted method is studied. The nominal composition of the sample is (Tl0.5Pb0.5) (Sr0.8Ba0.2)2Ca2Cu3Oy. The magnetizing current of the sintered-partial melted-annealed sample is greater than 2 x 10(4) cm2 at 77 K and 1 T. The J(c) value of the short sample of the Ag-sheathed tape made of the powder produced by this method reaches 1.9 x 10(4) A cm-2 at 77 K and 0 T. The SEM microscopic observation of the cross section of the superconducting tape shows that besides the 1223 phase, there are impurity phases of BaPbO3 and Sr-Ca-Cu-O.

引用

页码：790 / 794

页数：5

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