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Nemes, Norbert Marcel ; Rocci, Mirko ; Sefrioui, Zouhair ; León Yebra, Carlos ; Santamaría Sánchez-Barriga, Jacobo | American Physical Society | 2010-03-01We report on the magnetic anisotropy controlled modulation of the superconductivity in La_(0.7)Ca_(0.3)MnO_(3)/YBa_(2)Cu_(3)O_(7??)/La_(0.7)Ca_(0.3)MnO_(3) ferromagnet/superconductor/ferromagnet hybrids with biaxial easy axes. The magnetoresista[...]texto impreso
The field of transition metal oxide (TMOs) is expanding rapidly in recent years, due to the large variety of solid state phases (superconducting, ferromagnetic, multiferroic, metallic, insulating, etc.) coexisting or competing in rich phase diag[...]texto impreso
Frechero, M. A. ; Rocci, Mirko ; Schmidt, Rainer ; Díaz Guillén, M. R. ; Durá, O. J. ; Rivera Calzada, Alberto Carlos ; Santamaría Sánchez-Barriga, Jacobo ; León Yebra, Carlos | Sociedad Española de Cerámica y Vidrio | 2012-01Here we show impedance spectroscopy measurements on a bicrystal of the ionically conducting yttria stabilized zirconia (YSZ). By using micrometer sized electrodes it is possible to measure ionic transport perpendicular to a single grain boundary[...]texto impreso
Frechero, M. A. ; Rocci, Mirko ; Sánchez Santolino, Gabriel ; Salafranca, Juan ; Schmidt, Rainer ; Díaz Guillén, M. R. ; Durá, O. J. ; Rivera Calzada, Alberto Carlos ; Varela del Arco, María ; Santamaría Sánchez-Barriga, Jacobo ; León Yebra, Carlos | Nature Publishing Group | 2015-12-17The blocking of ion transport at interfaces strongly limits the performance of electrochemical nanodevices for energy applications. The barrier is believed to arise from space-charge regions generated by mobile ions by analogy to semiconductor j[...]texto impreso
Rocci, Mirko ; Tornos Castillo, Javier ; Rivera Calzada, Alberto Carlos ; Sefrioui, Zouhair ; Clement, Marta ; Iborra, Enrique ; León Yebra, Carlos ; Santamaría Sánchez-Barriga, Jacobo | American Institute of Physics | 2014-03-10We report on the fabrication and magnetotransport characterization of hybrid graphene-based nanodevices with epitaxial nanopatterned La_(0.7)Sr_(0.3)MnO_(3) manganite electrodes grown on SrTiO_(3)(100). The few-layer graphene was deposited onto [...]texto impreso
Nemes, Norbert Marcel ; Rocci, Mirko ; León Yebra, Carlos ; Santamaría Sánchez-Barriga, Jacobo | American Physical Society | 2011-08-23We have analyzed the interface structure and composition of La_(0.7)Ca_(0.3)MnO_(3)/YBa_(2)Cu_(3)O_(7)/La_(0.7)Ca_(0.3)MnO_(3) trilayers by combined polarized neutron reflectometry, aberration-corrected microscopy, and atomic column resolution e[...]
