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En esta tesis se han estudiado varios efectos en el estado mixto de superconductores, cuando están en el régimen mesoscópico. Es decir, cuando el superconductor esta nanoestructurado con tamaños comparables a las longitudes físicas característic[...]texto impreso
Valle Granda, Javier del ; Gómez, A. ; González, E. M. ; Osorio, M. R. ; Gálvez Alonso, Fernando ; Granados, D. ; Vicent López, José Luis | IOP Publishing | 2015-09-14Smectic order has been generated in superconducting Nb films with two-fold symmetry arrays of symmetric pinning centers. Magnetic fields applied perpendicularly to the films develop a vortex matter smectic phase that is easily detected when the [...]texto impreso
Valle Granda, Javier del ; Gómez Nicola, Ángel ; González Herrera, Elvira María ; Mañas Baena, Manuel ; Coronado, E. ; Vicent López, José Luis | American Physical Society | 2017-06-12Superconducting 2H-NbSe_2 single crystals show intrinsic low pinning values. Therefore, they are ideal materials with which to explore fundamental properties of vortices. (V, I) characteristics are the experimental data we have used to investiga[...]texto impreso
Valle Granda, Javier del ; Gómez, A. ; González, E. M. ; Vicent López, José Luis | American Institute of Physics | 2016-10-24In order to compare magnetic and non-magnetic pinning, we have nanostructured two superconducting films with the regular arrays of pinning centers: Cu (non-magnetic) dots in one case and Py (magnetic) dots in the other. For low applied magnetic [...]texto impreso
Gálvez Alonso, Fernando ; Valle Granda, Javier del ; Gómez, A. ; Osorio, M. R. ; Granados, D. ; Pérez de Lara, D. ; Garcia, M.A. ; Vicent López, José Luis | Optical Soc Amer | 2016-10-01We have designed and fabricated a nanodevice exhibiting simultaneously ferromagnetic properties of nanostructures with plasmonic properties of continuous films. Our device consists of an array of nanomagnets on top of a continuous plasmonic film[...]texto impreso
Valle Granda, Javier del ; Gómez, A. ; González, E. M. ; Osorio, M. R. ; Granados, D. ; Vicent López, José Luis | Nature Publishing Group | 2015-10We present a simple nanodevice that can operate in two modes: i) non-volatile three-state memory and ii) reading device. The nanodevice can retain three well defined states ?1, 0 and +1 and can operate in a second mode as a sensor for external m[...]texto impreso
Gómez, A. ; Valle Granda, Javier del ; González Herrera, Elvira María ; Chiliotte, C. E. ; Carreira, S. J. ; Bekeris, V. ; Prieto, J. L. ; Schuller, Ivan K. ; Vicent López, José Luis | IOP publishing ltd | 2014Hybrid magnetic arrays embedded in superconducting films are ideal systems to study the competition between different physical (such as the coherence length) and structural length scales such as are available in artificially produced structures.[...]
