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The influence of carbon on the critical current densities of melt processed AgCu-sheathed Bi-2212 wires

โœ Scribed by T. Kuroda; T. Nakane; H. Kumakura; Y. Suga; K. Miura


Publisher
Elsevier Science
Year
2004
Tongue
English
Weight
497 KB
Volume
412-414
Category
Article
ISSN
0921-4534

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Partial melt-processed Bi 2 Sr 2 Ca 1 Cu 2 O 8+d (Bi-2212) materials have low critical current densities (j c ) when made from precursors where melting occurred during the calcination. In this paper, the origin of melt formation during calcination of a stoichiometric Bi:2, Sr:2, Ca:1, Cu:2 mixture o