ACCELERATED FORMATION OF 110-K HIGH-TC PHASE IN THE CA-RICH AND CU-RICH BI-PB-SR-CA-CU-O SYSTEM

被引：42

作者：

HUANG, YT ^{[1
]}

LIU, RG ^{[1
]}

LU, SW ^{[1
]}

WU, PT ^{[1
]}

WANG, WN ^{[1
]}

机构：

[1] CHUNG SHAN INST SCI & TECHNOL,TAOYUAN 32526,TAIWAN

来源：

APPLIED PHYSICS LETTERS | 1990年 / 56卷 / 08期

关键词：

D O I：

10.1063/1.103315

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

The crystal structure and superconducting properties of the Bi-Pb-Sr-Ca-Cu-O system with Ca- and Cu-rich nominal composition were investigated. A nearly single-phased 110 K high Tc superconductor can be obtained with 852 °C/20 h sintering from the starting composition of Bi1.7Pb0.4Sr1.6Ca2.4Cu 3.6Oy. X-ray diffraction patterns, resistivity measurement, diamagnetic susceptibility results, and scanning electron micrographs all indicate that the Ca- and Cu-rich nominal composition would result in better superconducting properties than those of Ca:Sr=1:1 Bi-Pb-Sr-Ca-Cu-O compounds in a much shorter sintering time.

引用

页码：779 / 781

页数：3

共 18 条

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