Please use this identifier to cite or link to this item: http://hdl.handle.net/20.500.12666/344
Title: Vortex dynamics controlled by local superconducting enhancement
Authors: Rollano, V.
Gómez, A.
Muñoz Noval, A.
Del Valle, J.
Menghini, M.
De Ory, M. C.
Prieto, J. L.
Navarro, E.
González, E. M.
Vicent, J. L.
Keywords: Superconductivity;Nanostructures;Vortices
Issue Date: 29-Nov-2019
Publisher: IOP Science Publishing
DOI: 10.1088/1367-2630/ab5994
Published version: https://iopscience.iop.org/article/10.1088/1367-2630/ab5994
Citation: New Jopurnal of Physics 21(11): 113059(2019)
Abstract: A controlled local enhancement of superconductivity yields unexpected modifications in the vortex dynamics. This local enhancement has been achieved by designing an array of superconducting Nb nanostructures embedded in a V superconducting film. The most remarkable findings are: (i) vanishing of the main commensurability effect between the vortex lattice and the array unit cell, (ii) hysteretic behavior in the vortex dynamics, (iii) broadening of the vortex liquid phase and (iv) strong softening of the vortex lattice. These effects can be controlled and they can be quenched by reducing the Nb array superconducting performance applying an in-plane magnetic field. These results can be explained by taking into account the repulsive potential landscape created by the superconducting Nb nanostructures on which vortices move.
URI: http://hdl.handle.net/20.500.12666/344
E-ISSN: 1367-2630
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