Transport properties of powder-in-tube processed MgB2 tapes

被引：45

作者：

Grasso, G ^{[1
]}

Malagoli, A ^{[1
]}

Marré, D ^{[1
]}

Bellingeri, E ^{[1
]}

Braccini, V ^{[1
]}

Roncallo, S ^{[1
]}

Scati, N ^{[1
]}

Siri, AS ^{[1
]}

机构：

[1] INFM, LAMIA, Res Unit Genoa, I-16146 Genoa, Italy

来源：

PHYSICA C-SUPERCONDUCTIVITY AND ITS APPLICATIONS | 2002年 / 378卷 / PART 2期

关键词：

MgB2; superconductors; applications of high-T-c superconductors; critical current density;

D O I：

10.1016/S0921-4534(02)01556-3

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

Nickel-sheathed magnesium diboride superconducting tapes have been fabricated by the powder-in-tube method from reacted commercially available powders. At 4.2 K and self field, a transport current density value j(c) of 10(5) A/cm(2) has been reached over long portions of unsintered monofilamentary tapes. The irreversibility lines both for a magnetic field oriented parallel and perpendicular to the MgB2 superconducting tape have been determined by magneto resistance measurements, showing some degree of anisotropy. These data are consistent with the X-ray diffraction observation of a slight texturing process of the MgB2 grains occurring during the cold working, procedure. (C) 2002 Published by Elsevier Science B.V.

引用

页码：899 / 902

页数：4

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