Power-Law Relationship Between Critical Current Density, Microstructure, and the n-Value in MgB2 Superconductor Wires

被引：7

作者：

Motaman, Ashkan ^{[1
]}

Barua, Shaon ^{[1
]}

Patel, Dipak ^{[1
]}

Maeda, Minoru ^{[2
]}

Cheong, Kookchae ^{[3
]}

Kim, Jung Ho ^{[1
]}

Dou, Shi Xue ^{[1
]}

Al Hossain, M. Shahriar ^{[1
]}

机构：

[1] Univ Wollongong, Inst Superconducting & Elect Mat, Wollongong, NSW 2500, Australia

[2] Nihon Univ, Dept Phys, Coll Sci & Technol, Tokyo 1018308, Japan

[3] Korea Inst Mat Sci, Nano Funct Mat Grp, Gyeongnam 642831, South Korea

来源：

JOURNAL OF SUPERCONDUCTIVITY AND NOVEL MAGNETISM | 2014年 / 27卷 / 07期

基金：

澳大利亚研究理事会;

关键词：

Magnesium diboride; Critical current density; Power law; n-Value;

D O I：

10.1007/s10948-014-2504-5

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

Dissipation-free MgB2 superconducting wires are valuable in terms of practical applications. Herein, we have found a strong correlation between critical current density (J (c) ) and the n-value extracted from the electric field versus current density characteristic. The power-law relationship (m) between the J (c) and the n-value, , represents a critical index which is strongly dependent on operating temperatures.

引用

页码：1643 / 1645

页数：3

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