✦ LIBER ✦

Transport properties of YBCO, HBCCO, TBCCO and BSCCO superconducting polycrystals

✍ Scribed by A.J. Batista-Leyva; M.T.D. Orlando; E. Altshuler

Publisher: Elsevier Science
Year: 2004
Tongue: English
Weight: 242 KB
Volume: 408-410
Category: Article
ISSN: 0921-4534
DOI: 10.1016/j.physc.2004.03.038

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✦ Synopsis

Hysteresis and relaxation of transport critical current density for several superconducting polycrystals are studied, interpreting the results in the frame of the intragranular flux trapped model. From the measurement of the flux trapping curves, magnetic parameters of superconducting grains were obtained. These values are compared with those obtained by magnetometric measurements, agreeing in the margins of experimental error. The model qualitatively describes the relaxation in all superconducting systems

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