Temperature dependence of trapped magnetic field in MgB2 bulk superconductor

Details Temperature dependence of trapped magnetic field in MgB2 bulk superconductor Temperature dependence of trapped magnetic field in MgB2 bulk superconductor

2003-07-14

arxiv.org/abs/cond-mat/0307318v1

Appl.Phys.Lett., vol.83 (no.21): 4360-4362 (2003)

Physics

Condensed Matter

Superconductivity

3 pages, 3 figures, submitted to APL

Scientific paper

10.1063/1.1629148

Based on DC magnetization measurements, the temperature dependencies of the trapped magnetic field have been calculated for two MgB2 samples prepared by two different techniques: the high-pressure sintering and the hot pressing. Experimentally measured trapped field values for the first sample coincide remarkably well with calculated ones in the whole temperature range. This proves, from one side, the validity of the introduced calculation approach, and demonstrates, from another side, the great prospects of the hot pressing technology for large scale superconducting applications of the MgB2.

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