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20 papers · 1 filter
Magnetization texture imprints produced by flux avalanches in ferromagnet/insulator/superconductor heterostructures
Rovan F. Lopes, Milton A. Tumelero, Clodoaldo I. L. de Araujo +6
The magnetic textures generated by a perpendicularly applied magnetic field at the ferromagnetic layer of thin film heterostructures are investigated using magn…
Bridging Superconductors with UN Development Goals: Perspectives and Applications
Edimar A. S. Duran, Alfonso Pulgar, Rodolfo Izquierdo +4
Superconductors exhibit remarkable properties such as zero resistivity and diamagnetism at the boiling temperature of liquid hydrogen (20 K) and even aboven the boiling temperature…
Magnetic flux penetration in nanoscale wedge-shaped superconducting thin films
L. B. L. G. Pinheiro, L. Jiang, E. A. Abbey +9
Thickness uniformity is regarded as an important parameter in designing thin film devices. However, some applications based on films with non-uniform thickness have recently emerge…
Influence of pinning centers of different natures onsurrounding vortices
Rodolfo Carvalho dos Santos, Elwis Carlos Sartorelli Duarte, Danilo Okimoto +4
Studies involving vortex dynamics and their interaction with pinning centers are an important ingredient to reach higher critical currents in superconducting materials. The vortex…
Enhancing the effective critical current density in a Nb superconducting thin film by cooling in an inhomogeneous magnetic field
D. A. D. Chaves, I. M. de Araújo, D. Carmo +7
Quantitative magneto-optical imaging of a type-II superconductor thin film cooled under zero, homogeneous, and inhomogeneous applied magnetic fields, indicates that the latter proc…
Measurement of critical current flow and connectivity in systems of joined square superconducting plates
F. Colauto, D. Carmo, A. M. H. de Andrade +4
A method to measure the electrical connectivity between square superconducting plates joined by weak link interfaces is presented. It is based on observation of lines where the flo…