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Hernández Martín, David ; Gallego Toledo, Fernando ; Tornos Castillo, Javier ; Rouco Gómez, Víctor ; Beltrán Finez, Juan Ignacio ; Munuera, C. ; Sánchez Manzano, David ; Cabero Piris, Mariona ; Cuéllar Jiménez, Fabián Andrés ; Arias Serna, Diego ; Sánchez Santolino, Gabriel ; Mompean, F. J. ; Gárcia Hernández, M. ; Rivera Calzada, Alberto Carlos ; Pennycook, S. J. ; Varela del Arco, María ; Muñoz, M. C. ; Sefrioui, Zouhair ; León Yebra, Carlos ; Santamaría Sánchez-Barriga, Jacobo | American Physical Society | 2020-12-30The persistence of ferroelectricity in ultrathin layers relies critically on screening or compensation of polarization charges which otherwise destabilize the ferroelectric state. At surfaces, charged defects play a crucial role in the screening[...]texto impreso
Liu, Yaohua ; Cuéllar Jiménez, Fabián Andrés ; Sefrioui, Zouhair ; Freeland, J. W. ; Fitzsimmons, M. R. ; León Yebra, Carlos ; Santamaría Sánchez-Barriga, Jacobo ; te Velthuis, S. G. E. | American Physical Society | 2013-12-11We report a strong effect of interface-induced magnetization on the transport properties of magnetic tunnel junctions consisting of ferromagnetic manganite La_(0.7)Ca_(0.3)MnO_(3) and insulating cuprate PrBa_(2)Cu_(3)O_(7). Contrary to the typic[...]texto impreso
Tornos Castillo, Javier ; Gallego Toledo, Fernando ; Hernández Martín, David ; Orfila Rodríguez, Gloria ; Cabero Piris, Mariona ; Cuéllar Jiménez, Fabián Andrés ; Arias Serna, Diego ; Rivera Calzada, Alberto Carlos ; Sefriuoi, Zouhair ; León Yebra, Carlos ; Santamaría Sánchez-Barriga, Jacobo | American Physical Society | 2019-01-22The electronic reconstruction occurring at oxide interfaces may be the source of interesting device concepts for future oxide electronics. Among oxide devices, multiferroic tunnel junctions are being actively investigated as they offer the possi[...]texto impreso
Galceran, R. ; Balcells, Ll. ; Martínez-Boubeta, C. ; Bozzo, B. ; Cisneros-Fernández, J. ; Mata, M. de la ; Magén, C. ; Arbiol, J. ; Tornos, J. ; Cuéllar Jiménez, Fabián Andrés ; Sefrioui, Zouhair ; Cebollada, A. ; Golmar, F. ; Huesos, L.E. ; Casanova, F. ; Santamaría Sánchez-Barriga, Jacobo ; Martínez, B. | American Physical Society | 2015-09-16We report on magnetotransport properties on La_(0.7)Sr_(0.3)MnO_(3)/MgO/Fe tunnel junctions grown epitaxially on top of (001)-oriented SrTiO_(3) substrates by sputtering. It is shown that the magnetoresistive response depends critically on the M[...]texto impreso
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Nemes, Norbert Marcel ; León Yebra, Carlos ; Santamaría Sánchez-Barriga, Jacobo ; Tornos Castillo, Javier ; Cuéllar Jiménez, Fabián Andrés ; Beltrán Finez, Juan Ignacio ; Biskup Zaja, Nevenko ; Schmidt, Rainer ; Durán Montejano, Luis ; Ayargüena Porras, Blanca ; Ábalos Álvarez, Marta ; Rodríguez Pérez, Oscar ; Javierre Aso, Ramón ; Hernández Maldonado, David | 2020-04-24El Objetivo General del Proyecto de Innovación “SmartFis” se centraba en facilitar el aprendizaje de los contenidos propios de las múltiples asignaturas impartidas en el Laboratorio de Física General de la Facultad de Ciencias Físicas, en varias[...]texto impreso
Cuéllar Jiménez, Fabián Andrés ; Sánchez Santolino, Gabriel ; Varela del Arco, María ; Clement, M. ; Iborra, E. ; Sefrioui, Zouhair ; Santamaría Sánchez-Barriga, Jacobo ; León Yebra, Carlos | American Physical Society | 2012-06-20We report on the electrical transport properties of all-oxide La_(0.7)Ca_(0.3)MnO_(3)/SrTiO_(3):Nb heterojunctions with lateral size of just a few micrometers. The use of lithography techniques to pattern manganite pillars ensures perpendicular [...]
