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Título:
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Interface barriers for flux motion in high-temperature superconducting superlattices
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Autores:
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Villegas, J. E. ;
Sefrioui, Zouhair ;
Varela del Arco, María ;
González Herrera, Elvira María ;
Santamaría Sánchez-Barriga, Jacobo ;
Vicent López, José Luis
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Tipo de documento:
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texto impreso
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Editorial:
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American Physical Society, 2004-04
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Dimensiones:
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application/pdf
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Nota general:
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info:eu-repo/semantics/openAccess
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Idiomas:
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Palabras clave:
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Estado = Publicado
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Materia = Ciencias: Física: Electricidad
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Materia = Ciencias: Física: Electrónica
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Materia = Ciencias: Física: Física de materiales
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Materia = Ciencias: Física: Física del estado sólido
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Tipo = Artículo
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Resumen:
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We study angular dependent magnetoresistance in the vortex-liquid phase of epitaxial YBa2Cu3O7 thin films and YBa_2Cu_3O_7/PrBa_2Cu_3O_7 superlattices. Superlattices were grown with different PrBa_2Cu_3O_7 thickness in order to tune coupling between YBa_2Cu_3O_7 layers. While dissipation of single film and coupled superlattices is scaled with the anisotropic three-dimensional model in the whole angular range, decoupling through PrBa_2Cu_3O_7 spacer breaks down the scaling and yields strong reduction of the dissipation when the magnetic fields are applied up to ±20degrees around the interface direction. Bean-Livingston barriers at the interface are the mechanism which governs this behavior.
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En línea:
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https://eprints.ucm.es/43860/1/Gonz%C3%A1lezH%20EM%2025%20LIBRE.pdf
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