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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
León Yebra, Carlos ; Biskup Zaja, Nevenko ; Santamaría Sánchez-Barriga, Jacobo ; Alberca Carretero, Aurora ; Andrés, Amado de ; Gárcia Hernández, M. ; Munuera, C. ; Mompean, F.J. ; Nemes, Norbert Marcel | American Physical Society | 2012-10-24La0.7Ca0.3MnO3 optimally doped epitaxial films were grown on ferroelectric BaTiO3 substrates. Electronic transport (magnetoresistance and electroresistance) and magnetic properties showed important anomalies in the temperature interval between 6[...]texto impreso
Alberca, A. ; Nemes, Norbert Marcel ; Mompean, F. J. ; Feher, T. ; Simón, F. ; Tornos, J. ; León Yebra, Carlos ; Munuera, C. ; Kirby, B. J. ; Fitzsimmons, M. R. ; Hernando Grande, Antonio ; Santamaría Sánchez-Barriga, Jacobo ; Gárcia Hernández, M. | American Physical Society | 2013-10-11The magnetism of La_(0.7)Ca_(0.3)MnO_(3) (LCMO) epitaxial thin films grown on SrTiO_(3) (STO) and BaTiO_(3) (BTO) substrates is studied using polarized neutron reflectometry (PNR) and ferromagnetic resonance (FMR) techniques. In LCMO/BTO, PNR r[...]texto impreso
Alberca, A. ; Munuera, C. ; Azpeitia, J. ; Kirby, B. ; Nemes, Norbert Marcel ; Pérez Muñoz, Ana Mª ; Tornos, J. ; Mompean, F. J. ; León Yebra, Carlos ; Santamaría Sánchez-Barriga, Jacobo ; Gárcia Hernández, M. | Nature Publishing Group | 2015-12-09We study the origin ofthe magnetoelectric coupling in manganite films on ferroelectric substrates. We find large magnetoelectric coupling in La_(0.7)Ca_(0.3)MnO_(3)/BaTiO_(3) ultra thin films in experiments based on the converse magnetoelectric [...]
