Phase evolution and the mechanism of Jc increase during post-annealing in Ag/(Bi, Pb)2223 tapes

We have investigated the influence of post-annealing on the current transport and phase/microstructure evolution in Ag/(Bi, Pb)2223 tapes. After post-annealing, the critical current density was about 1.4 times higher. Also the superconducting transition was greatly sharpened and Tc became much highe...

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Veröffentlicht in:	Superconductor science & technology 2005-12, Vol.18 (12), p.S290-S296
Hauptverfasser:	Nakao-Kametani, Fumitake, Osamura, Kozo
Format:	Artikel
Sprache:	eng
Online-Zugang:	Volltext
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