Approach for the fabrication of MgB2 superconducting tape with large in-field transport critical current density

被引：59

作者：

Komori, K

Kawagishi, K

Takano, Y

Fujii, H

Arisawa, S

Kumakura, H

Fukutomi, M

Togano, K

机构：

[1] Natl Inst Mat Sci, Superconducting Mat Ctr, Tsukuba, Ibaraki 3050047, Japan

[2] Natl Inst Mat Sci, Ctr Fundamental Mat Res, Tsukuba, Ibaraki 3050047, Japan

[3] Japan Sci & Technol Corp, CREST, Tsukuba, Ibaraki 3050047, Japan

来源：

APPLIED PHYSICS LETTERS | 2002年 / 81卷 / 06期

关键词：

D O I：

10.1063/1.1495087

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

The letter reports the fabrication of MgB2 superconducting tape using a flexible metallic substrate as well as its strong pinning force, which was verified by direct measurement of transport critical current density. The tape was prepared by depositing MgB2 film on a Hastelloy tape buffered with an yttria-stabilized-zirconia layer. The J(c) of the tape exceeds 10(5) A/cm(2) at 4.2 K and 10 T, which is considered as a common benchmark for magnet application. The J(c) dependence on magnetic field remains surprisingly very small up to 10 T, suggesting that the tape has much better magnetic field characteristic than conventional Nb-Ti wires in liquid helium. (C) 2002 American Institute of Physics.

引用

页码：1047 / 1049

页数：3

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