Search Results - "Rouco, V."

A 2D ferroelectric vortex pattern in twisted BaTiO3 freestanding layers by Sánchez-Santolino, G., Rouco, V., Puebla, S., Aramberri, H., Zamora, V., Cabero, M., Cuellar, F. A., Munuera, C., Mompean, F., Garcia-Hernandez, M., Castellanos-Gomez, A., Íñiguez, J., Leon, C., Santamaria, J.

“…The wealth of complex polar topologies 1 – 10 recently found in nanoscale ferroelectrics results from a delicate balance between the intrinsic tendency of the…”
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Quasiparticle tunnel electroresistance in superconducting junctions by Rouco, V., Hage, R. El, Sander, A., Grandal, J., Seurre, K., Palermo, X., Briatico, J., Collin, S., Trastoy, J., Bouzehouane, K., Buzdin, A. I., Singh, G., Bergeal, N., Feuillet-Palma, C., Lesueur, J., Leon, C., Varela, M., Santamaría, J., Villegas, Javier E.

“…The term tunnel electroresistance (TER) denotes a fast, non-volatile, reversible resistance switching triggered by voltage pulses in ferroelectric tunnel…”
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Extremely long-range, high-temperature Josephson coupling across a half-metallic ferromagnet by Sanchez-Manzano, D., Mesoraca, S., Cuellar, F. A., Cabero, M., Rouco, V., Orfila, G., Palermo, X., Balan, A., Marcano, L., Sander, A., Rocci, M., Garcia-Barriocanal, J., Gallego, F., Tornos, J., Rivera, A., Mompean, F., Garcia-Hernandez, M., Gonzalez-Calbet, J. M., Leon, C., Valencia, S., Feuillet-Palma, C., Bergeal, N., Buzdin, A. I., Lesueur, J., Villegas, Javier E., Santamaria, J.

“…The Josephson effect results from the coupling of two superconductors across a spacer such as an insulator, a normal metal or a ferromagnet to yield a phase…”
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Nanoscale strain-induced pair suppression as a vortex-pinning mechanism in high-temperature superconductors by Llordés, A., Palau, A., Gázquez, J., Coll, M., Vlad, R., Pomar, A., Arbiol, J., Guzmán, R., Ye, S., Rouco, V., Sandiumenge, F., Ricart, S., Puig, T., Varela, M., Chateigner, D., Vanacken, J., Gutiérrez, J., Moshchalkov, V., Deutscher, G., Magen, C., Obradors, X.

“…Boosting large-scale superconductor applications require nanostructured conductors with artificial pinning centres immobilizing quantized vortices at high…”
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Disentangling Photodoping, Photoconductivity, and Photosuperconductivity in the Cuprates by El Hage, R, Sánchez-Manzano, D, Humbert, V, Carreira, S, Rouco, V, Sander, A, Cuellar, F, Seurre, K, Lagarrigue, A, Mesoraca, S, Briatico, J, Trastoy, J, Santamaría, J, Villegas, Javier E

“…The normal-state conductivity and superconducting critical temperature of oxygen-deficient YBa_{2}Cu_{3}O_{7-δ} can be persistently enhanced by illumination…”
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Angular flux creep contributions in YBa2Cu3O7−δ nanocomposites from electrical transport measurements by Vallès, F., Palau, A., Rouco, V., Mundet, B., Obradors, X., Puig, T.

“…The shape of the electric-field—current-density (E-J) curve is determined by flux pinning and also by dynamics of vortices. Here, we propose a novel…”
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Controlled Sign Reversal of Electroresistance in Oxide Tunnel Junctions by Electrochemical-Ferroelectric Coupling by Hernandez-Martin, D, Gallego, F, Tornos, J, Rouco, V, Beltran, J I, Munuera, C, Sanchez-Manzano, D, Cabero, M, Cuellar, F, Arias, D, Sanchez-Santolino, G, Mompean, F J, Garcia-Hernandez, M, Rivera-Calzada, A, Pennycook, S J, Varela, M, Muñoz, M C, Sefrioui, Z, Leon, C, Santamaria, J

“…The persistence of ferroelectricity in ultrathin layers relies critically on screening or compensation of polarization charges which otherwise destabilize the…”
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Ferroelectric Control of Interface Spin Filtering in Multiferroic Tunnel Junctions by Tornos, J, Gallego, F, Valencia, S, Liu, Y H, Rouco, V, Lauter, V, Abrudan, R, Luo, C, Ryll, H, Wang, Q, Hernandez-Martin, D, Orfila, G, Cabero, M, Cuellar, F, Arias, D, Mompean, F J, Garcia-Hernandez, M, Radu, F, Charlton, T R, Rivera-Calzada, A, Sefrioui, Z, Te Velthuis, S G E, Leon, C, Santamaria, J

“…The electronic reconstruction occurring at oxide interfaces may be the source of interesting device concepts for future oxide electronics. Among oxide devices,…”
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Author Correction: Angular flux creep contributions in YBa2Cu3O7−δ nanocomposites from electrical transport measurements by Vallès, F., Palau, A., Rouco, V., Mundet, B., Obradors, X., Puig, T.

“…A correction to this article has been published and is linked from the HTML and PDF versions of this paper. The error has been fixed in the paper…”
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Competition between Superconductor – Ferromagnetic stray magnetic fields in YBa2Cu3O7−x films pierced with Co nano-rods by Rouco, V., Córdoba, R., De Teresa, J. M., Rodríguez, L. A., Navau, C., Del-Valle, N., Via, G., Sánchez, A., Monton, C., Kronast, F., Obradors, X., Puig, T., Palau, A.

“…Superconductivity and ferromagnetism are two antagonistic phenomena that combined can lead to a rich phenomenology of interactions, resulting in novel physical…”
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Nanoscale strain-induced pair suppression as a vortex-pinning mechanism in high-temperature superconductors by Llordés, A., Palau, A., Gázquez, J., Coll, M., Vlad, R., Pomar, A., Arbiol, J., Guzmán, R., Ye, S., Rouco, V., Sandiumenge, F., Ricart, S., Puig, T., Varela, M., Chateigner, D., Vanacken, J., Gutiérrez, J., Moshchalkov, V., Deutscher, G., Magen, C., Obradors, X.

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Geometrically controlled ratchet effect with collective vortex motion by Rouco, V, Palau, A, Monton, C, Del-Valle, N, Navau, C, Sanchez, A, Obradors, X, Puig, T

“…Rectified flux motion arising from the collective effect of many interacting vortices is obtained in a specially designed superconducting device. Ratchet…”
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Geometrical vortex lattice pinning and melting in YBaCuO submicron bridges by Papari, G. P., Glatz, A., Carillo, F., Stornaiuolo, D., Massarotti, D., Rouco, V., Longobardi, L., Beltram, F., Vinokur, V. M., Tafuri, F.

“…Since the discovery of high-temperature superconductors (HTSs), most efforts of researchers have been focused on the fabrication of superconducting devices…”
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Unusual magneto-transport of YBa2Cu3O7−δ films due to the interplay of anisotropy, random disorder and nanoscale periodic pinning by Trastoy, J, Rouco, V, Ulysse, C, Bernard, R, Palau, A, Puig, T, Faini, G, Lesueur, J, Briatico, J, Villegas, J E

“…We study the general problem of a manifold of interacting elastic lines whose spatial correlations are strongly affected by the competition between random and…”
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Nanostructuring of high-Tc superconductors via masked ion irradiation for efficient ordered vortex pinning by TRASTOY, J, ROUCO, V, ULYSSE, C, BERNARD, R, FAINI, G, LESUEUR, J, BRIATICO, J, VILLEGAS, J. E

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Nanowall pinning for enhanced pinning force in YBCO films with nanofabricated structures by PALAU, A, ROUCO, V, LUCCAS, R. F, OBRADORS, X, PUIG, T

“…High resolution nanofabrication tools (Focused Ion Beam and Electron Beam Lithography) have been used to fabricate nano-metric milled structures in high…”
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Ferroionic inversion of spin polarization in a spin-memristor by Rouco, V., Gallego, F., Hernandez-Martin, D., Sanchez-Manzano, D., Tornos, J., Beltran, J. I., Cabero, M., Cuellar, F., Arias, D., Sanchez-Santolino, G., Mompean, F. J., Garcia-Hernandez, M., Rivera-Calzada, A., Varela, M., Muñoz, M. C., Leon, C., Sefrioui, Z., Santamaria, J.

“…Magnetoelectric coupling in artificial multiferroic interfaces can be drastically affected by the switching of oxygen vacancies and by the inversion of the…”
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Silicon determination in Portland cement by fluoride generation, using flame atomic absorption spectrometry by Pignalosa, G, Cabrera, N, Mollo, A, Portillo, I, Rouco, V, Vázquez, L

“…A new method for the determination of silicon in Portland cement, based on the generation of volatile species without sample pre-treatment, is proposed. The…”
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Metal–insulator-transition engineering by modulation tilt-control in perovskite nickelates for room temperature optical switching by Liao, Zhaoliang, Gauquelin, Nicolas, Green, Robert J., Müller-Caspary, Knut, Lobato, Ivan, Li, Lin, Van Aert, Sandra, Verbeeck, Johan, Huijben, Mark, Grisolia, Mathieu N., Rouco, Victor, Hage, Ralph El, Villegas, Javier E., Mercy, Alain, Bibes, Manuel, Ghosez, Philippe, Sawatzky, George A., Rijnders, Guus, Koster, Gertjan

“…In transition metal perovskites ABO₃, the physical properties are largely driven by the rotations of the BO₆ octahedra, which can be tuned in thin films…”
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Strain-driven broken twin boundary coherence in YBa2Cu3O7−δ nanocomposite thin films by Guzman, R., Gazquez, J., Rouco, V., Palau, A., Magen, C., Varela, M., Arbiol, J., Obradors, X., Puig, T.

“…In this letter we use high resolution scanning transmission electron microscopy to study epitaxial YBa2Cu3O7−δ (YBCO) nanocomposite thin films. We find that…”
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