Textured Pb-Doped Bi-2212 Superconductors for Current Limiters

Sotelo, A. (Universidad de Zaragoza) ; Rasekh, Sh. ; Amaveda, H. (Universidad de Zaragoza) ; Bosque, P. ; Torres, M.A. (Universidad de Zaragoza) ; Madre, M.A. (Universidad de Zaragoza) ; Diez, J.C. (Universidad de Zaragoza)

Resumen: Bi2−x Pb x Sr2CaCu2O y (x = 0.0, 0.3, 0.4, and 0.5) textured materials have been prepared by the laser floating zone technique. The E − I curves showed and increase of the slope of the normal to superconducting transition with Pb addition. The best values have been obtained for the 0.4 Pb-doped samples, around 16 at 77 K. In spite of this improvement, Pb addition decreased J C and T C in all cases. On the other hand, electrical characterization at lower temperatures has led to an impressive raise in the 0.4 Pb-doped samples, reaching n values around 31, and J C of about 3,000 A/cm 2, at 65 K. At the same time, the mechanical integrity of the vitreous precursor materials has been determined. All the obtained results clearly indicate that these precursors, when properly processed by the laser floating technique, are promising candidates for practical applications as current limiters.

Idioma: Inglés

DOI: 10.1007/s10948-014-2651-8

Año: 2015

Publicado en: Journal of Superconductivity and Novel Magnetism 28, 2 (2015), 447-452
ISSN: 1557-1939

Factor impacto JCR: 1.1 (2015)

Categ. JCR: PHYSICS, CONDENSED MATTER rank: 49 / 67 = 0.731 (2015) - Q3 - T3
Categ. JCR: PHYSICS, APPLIED rank: 102 / 144 = 0.708 (2015) - Q3 - T3

Factor impacto SCIMAGO: 0.318 - Condensed Matter Physics (Q3) - Electronic, Optical and Magnetic Materials (Q3)

Financiación: info:eu-repo/grantAgreement/ES/DGA/T12
Financiación: info:eu-repo/grantAgreement/ES/DGA/T87
Financiación: info:eu-repo/grantAgreement/ES/MINECO-FEDER/MAT2013-46505-C3-1-R
Financiación: info:eu-repo/grantAgreement/ES/MINECO/MAT2011-22719

Tipo y forma: Article (PostPrint)

Área (Departamento): Área Expresión Gráfica en Ing. (Dpto. Ingeniería Diseño Fabri.)
Área (Departamento): Área Cienc.Mater. Ingen.Metal. (Dpto. Ciencia Tecnol.Mater.Fl.)