Anisotropic c-axis pinning in interfacial self-assembled nanostructured trifluoracetate- YBa₂Cu₃O₇-x films

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URI: https://hdl.handle.net/10902/34806
ISSN: 0003-6951
ISSN: 1077-3118
ISSN: 1520-8842
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Autoría
Gutierrez, J.; Puig, T.; Gibert, M.; Moreno Sierra, CésarAutoridad Unican; Romà, N.; Pomar, A.; Obradors, X.
Fecha
2009
Derechos
© 2009 American Institute of Physics. This article may be downloaded for personal use only. Any other use requires prior permission of the author and AIP Publishing. The following article appeared in Anisotropic c-axis pinning in interfacial self-assembled nanostructured trifluoracetate- YBa2 Cu3 O7-x films. J. Gutierrez; T. Puig; M. Gibert; C. Moreno; N. Romà; A. Pomar; X. Obradors. Appl. Phys. Lett. 94, 172513 (2009) and may be found at https://doi.org/10.1063/1.3130085
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Applied Physics Letters, 2009, 94(17), 172513
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American Institute of Physics
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Resumen/Abstract
An all chemical route has been used to produce substrates—nanostructured by self-assembled oxide nanoislands—and to grow YBa₂Cu₃O₇−x (YBCO) films on top. A great increase in the superconducting properties has been observed at high temperatures and magnetic fields parallel to the YBa₂Cu₃O₇−x c-axis. The vortex pinning properties and the defects induced in the YBa₂Cu₃O₇−x matrix have been investigated. We show that extended defects along the c-axis, induced in the YBCO matrix by the interfacial nanostructures, lay at the origin of the improved performances.
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