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Superconductivity of MgB2 wires

Authors
Journal
Physica C Superconductivity
0921-4534
Publisher
Elsevier
Identifiers
DOI: 10.1016/s0921-4534(02)02374-2

Abstract

Abstract MgB2 wires were manufactured by the in situ technique, diffusing Mg to B particles, resulting MgB2 with hexagonal structure, after cold deformation. A comparative study of the intergranular current and grain conductivity was conducted by transport and magnetic susceptibility measurements, in magnetic field up to 7 T to define the Jcmag and the direct current Jc at 4.2 K, which revealed systematic differences in the flux pinning of the wires.

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