132781 20260217205448.0 doi 10.1016/j.apsusc.2023.159164 sideral 137700 ART-2024-137700 eng Badía-Majós, Antonio Universidad de Zaragoza (orcid)0000-0002-8753-2397 Laser nanostructured metasurfaces in Nb superconducting thin films 2024 Access copy available to the general public Unrestricted Superconducting Nb thin films have been nanostructured by means of a femtosecond UV laser. Laser induced periodic surface structures (LIPSS) with lateral modulation of and depth smaller than amplitude ( from crest to trough) are obtained for optimized laser scanning conditions over the film surface, i.e. power, frequency, scanning speed and polarization. This provides a fast and scalable procedure of surface control at the nanoscale. In thin films, control over the kinetics of the LIPSS formation process has been crucial. Untreated and laser-patterned samples have been characterized by electron and atomic force microscopy as well as by local and global magnetometry. The superconducting properties reveal anisotropic behavior in accordance with the observed topography. The imprinted LIPSS define channels for anisotropic current flow and flux penetration. At low temperatures, magnetic flux avalanches are promoted by the increased critical current density, though flux tends to be channeled along the LIPSS. In general, directional flux penetration is observed, being a useful feature in fluxonic devices. Scalability allows us to pattern areas of the order of cm /min. info:eu-repo/grantAgreement/ES/DGA/T54-23R info:eu-repo/grantAgreement/ES/MICINN/AEI/PID2020-113034RB-I00 info:eu-repo/semantics/openAccess by-nc-nd https://creativecommons.org/licenses/by-nc-nd/4.0/deed.es 6.9 2024 MATERIALS SCIENCE, COATINGS & FILMS 3 / 24 = 0.125 2024 Q1 T1 PHYSICS, CONDENSED MATTER 16 / 80 = 0.2 2024 Q1 T1 PHYSICS, APPLIED 33 / 187 = 0.176 2024 Q1 T1 CHEMISTRY, PHYSICAL 47 / 185 = 0.254 2024 Q2 T1 1.31 2024 Chemistry (miscellaneous) 2024 Q1 Condensed Matter Physics 2024 Q1 Surfaces, Coatings and Films 2024 Q1 Surfaces and Interfaces 2024 Q1 Physics and Astronomy (miscellaneous) 2024 Q1 13.4 2024 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion Martínez, Elena (orcid)0000-0003-4839-5286 Angurel, Luis A. Universidad de Zaragoza (orcid)0000-0001-5685-2366 de la Fuente, Germán F. (orcid)0000-0002-0500-1745 Fourneau, Emile Marinkovic, Stefan Silhanek, Alejandro V. 2003 395 Universidad de Zaragoza Dpto. Física Materia Condensa. Área Física Materia Condensada 5001 065 Universidad de Zaragoza Dpto. Ciencia Tecnol.Mater.Fl. Área Cienc.Mater. Ingen.Metal. 649 (2024), 159164 [12 pp.] Appl. surf. sci. Applied Surface Science 0169-4332 Data for "Laser Nanostructured Metasurfaces in Nb Superconducting Thin Films" https://doi.org/10.5281/zenodo.10245401 4234024 http://zaguan.unizar.es/record/132781/files/texto_completo.pdf Versión publicada 2711390 http://zaguan.unizar.es/record/132781/files/texto_completo.jpg?subformat=icon icon Versión publicada oai:zaguan.unizar.es:132781 articulos driver 2026-02-17-20:18:22 ARTICLE