SrYSbO as a buffer layer for YBaCuO superconducting films.

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Resumen

We report the epitaxial growth of SrYSbO films over a MgO single crystal using magnetron sputtering technique. SrYSbO films were used as a buffer layer for growth of YBaCuO films by DC sputtering. It was experimentally determined that the films evidence superconducting properties, such as a critical temperature of 90 K and a self-field critical current density at 77 K of 0.8 MA/cm. These results, as well as good lattice matching and chemical stability between SrYSbO and YBaCuO, suggest that SrYSbO is an ideal material to be applied as buffer layer for high-performance superconductor coatings. For instance, SrYSbO material can be used as a single buffer layer in coated conductor tapes based on ion beam assisted deposition of MgO template (IBAD-MgO).
Idioma originalEspañol (Colombia)
Páginas (desde-hasta)688-692
Número de páginas5
PublicaciónJournal of Materials Science
Volumen46
N.º3
EstadoPublicada - feb 2011

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