IS THE ZERO-FIELD CRITICAL CURRENT-DENSITY A VALID CRITERION FOR SUPERCONDUCTING CERAMICS

被引：16

作者：

CHENG, CW ^{[1
]}

ROSEINNES, AC ^{[1
]}

ALFORD, NM ^{[1
]}

BUTTON, TW ^{[1
]}

机构：

[1] ICI PLC,ADV MAT,RUNCORN WA7 4QE,ENGLAND

来源：

SUPERCONDUCTOR SCIENCE & TECHNOLOGY | 1990年 / 3卷 / 02期

关键词：

D O I：

10.1088/0953-2048/3/2/009

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

Measurement of the critical currents of superconducting YBaCuO ceramic specimens of different sizes and shapes indicates that the resistanceless current is not proportional to the cross-sectional area, possibly because the current is concentrated at or near the surface. Consequently, it is not valid to use critical current densities to compare the merits of different specimens.

引用

页码：90 / 92

页数：3

共 9 条

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