Abstract
A lot of work has been done by numerous authors from all over the world on various scientific aspects of the following systems: Y-Ba-Cu-O; Bi-Sr-Ca-Cu-O; Tl-Ca-Ba-Cu-O and Hg-Ba-Ca-Cu-O (either pure or doped with some suitable element to stabilize phase(s) of particular interest). These systems under suitable preparation conditions may produce phase(s) which become(s) superconductor between 80 to 130 K. Now effort are being made to develop technologies to put these compounds into industrial applications.
We have drawn wires from Bi-Sr-Ca-Cu-O systems in glass capillaries and have compared their metallographic structure with the bulk material grown in similar conditions. It was found that the formation mechanism in the interior of the wire is different from that at the surface and the crystallization mechanism was affected by oxygen diffusion thus altering the formation of Cu+ ions in the glass. The results are compared with new experimental data.
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© 1997 Springer Science+Business Media Dordrecht
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Haq, A.u., Khan, M.N. (1997). Synthesis of Bi-Sr-Ca-Cu-O Wires for Perspective Applications. In: Kossowsky, R., Jelinek, M., Novak, J. (eds) Physics and Materials Science of High Temperature Superconductors, IV. NATO ASI Series, vol 26. Springer, Dordrecht. https://doi.org/10.1007/978-94-011-5732-2_24
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DOI: https://doi.org/10.1007/978-94-011-5732-2_24
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