BI-PB-SR-CA-CU-O SUPERCONDUCTING FIBERS DRAWN FROM MELT-QUENCHED GLASS PREFORMS

被引：21
|
作者：
ONISHI, M
KOHGO, T
CHIGUSA, Y
WATANABE, K
KYOTO, M
WATANABE, M
机构：
[1] Yokohama Research Laboratories, Sumitomo Electric Industries Ltd, Sakaeku, Yokohama
来源：
JAPANESE JOURNAL OF APPLIED PHYSICS PART 2-LETTERS | 1990年 / 29卷 / 01期
关键词：
Bi-Pb-Sr-Ca-Cu-O system; High-T[!sub]c[!/sub]superconductor; Melt-quenching method; Superconducting fiber;
D O I：
10.1143/JJAP.29.L64
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
Bi-Pb-Sr-Ca-Cu-O glass fibers were drawn from melt-quenched glass preforms by the method that is ordinarily applied to optical fiber fabrication. The drawn fibers were very flexible, and their surfaces were smooth. The glass fibers were crystallized by annealing and had superconducting properties. The annealed (1133 K, 240 hour) Bi1.6Pb0.4Sr2Ca2Cu3Oxfiber exhibited superconductivity with a Tc(zero) of 68 K and a critical current density (30 K, zero magnetic field) of 22 A/cm2. © 1990 IOP Publishing Ltd.
引用
收藏
页码：L64 / L66
页数：3
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