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Precursor influence on the electrical properties of textured Bi-2212 superconductors

AuthorsSotelo, A.; Rasekh, Sh.; Madre, M. A.; Diez, J. C.
Issue Date2011
CitationJournal of Superconductivity and Novel Magnetism 24(1-2): 19-25 (2011)
AbstractSeveral synthetic methods, solid-state, sol-gel and polymer solution methods, have been used to prepare prereacted precursors, as well as a vitreous material obtained by melt quenching. The influence of the starting powder characteristics on the phase formation, microstructure, Tc and J c of Bi-2212 textured rods prepared by directional crystallization from the melt has been analyzed. In all the cases, high transport critical current values (higher than 3000 A/cm2 at 77 K) have been obtained, independently of the precursor type. Samples obtained by the polymer route show improved Tc values, associated to a lower oxygen content. © Springer Science+Business Media, LLC 2010.
DescriptionEl pdf del artículo es el manuscrito de autor.
Publisher version (URL)http://dx.doi.org/10.1007/s10948-010-0894-6
Identifiersdoi: 10.1007/s10948-010-0894-6
issn: 1557-1939
e-issn: 1557-1947
Appears in Collections:(ICMA) Artículos
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