Critical current densities and activation energy of BiPbSrCaCuO tapes

The critical current density and the resistive transition curves of Ag-sheathed, textured (Bi/sub 1-x/Pb/sub x/)/sub 2/Sr/sub 2/Ca/sub 2/Cu/sub 3/O/sub 10/ tapes have been studied in magnetic fields up to 12 T. The results can be described by the modified flux creep model proposed by E. Zeldov et al...

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Veröffentlicht in:	IEEE transactions on applied superconductivity 1993-03, Vol.3 (1), p.1390-1393
Hauptverfasser:	Gladun, A., Fuchs, G., Fischer, K., Busch, D., Eujen, R., Huedepohl, J.
Format:	Artikel
Sprache:	eng
Schlagworte:	Applied sciences Condensed matter: electronic structure, electrical, magnetic, and optical properties Conductivity Creep Critical current Critical current density Current measurement Electronic equipment and fabrication. Passive components, printed wiring boards, connectics Electronics Exact sciences and technology High temperature superconductors Magnetic field measurement Magnetic fields Physics Properties of type I and type II superconductors Silver Superconducting device characterization, design, and modeling Superconductivity Vortex lattices ,flux pinning, flux creep
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Zusammenfassung:	The critical current density and the resistive transition curves of Ag-sheathed, textured (Bi/sub 1-x/Pb/sub x/)/sub 2/Sr/sub 2/Ca/sub 2/Cu/sub 3/O/sub 10/ tapes have been studied in magnetic fields up to 12 T. The results can be described by the modified flux creep model proposed by E. Zeldov et al. (1990). It is shown that this model yields a simple explanation for the exponential field dependence of the critical current density in high-temperature superconductors.< >
ISSN:	1051-8223 1558-2515
DOI:	10.1109/77.233639