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Autor Pérez García, Lucas |
Documentos disponibles escritos por este autor (32)
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Núñez, A. ; Pérez García, Lucas ; Abuín Herráez, Manuel ; Araujo, J. P. ; Proenca, M. P. | IOP publishing ltd | 2017-04-20Understanding the magnetic behaviour of multisegmented nanowires (NWs) is a major key for the application of such structures in future devices. In this work, magnetic/non-magnetic arrays of FeCoCu/Cu multilayered NWs electrodeposited in nanoporo[...]texto impreso
Urraca Ruiz, Javier ; Cortés Llanos, Belén ; Aroca, Claudio ; Presa Muñoz del Toro, Patricia de la ; Pérez García, Lucas ; Moreno Bondi, Maria C. | Amer Chemical Soc | 2018-05-10In this work, we developed a novel approach for the preparation of molecularly imprinted polymer (MIP) coatings directly onto magnetic multicore nanoparticles (MMCs) using alternating magnetic fields to trigger the polymerization reaction. MIPs [...]texto impreso
Pérez García, Lucas ; Lau, G. S. ; Dhar, S. ; Brandt, O. ; Ploog, K. H. | American Physical Society | 2006-11In this work we present a detailed study of the magnetic properties of GaN:Gd layers with different Gd content (6x10^(15) to 1x10^(19) cm^^ (-3)) grown by reactive molecular beam epitaxy. The temperature dependence of the magnetic properties sug[...]texto impreso
Díaz-Guerra Viejo, Carlos ; Pérez García, Lucas ; Piqueras de Noriega, Javier ; Chioncel, M. F. | American Institute of Physics | 2009-11-15Magnetic transitions in single-crystal alpha-F_2O_3 (hematite) nanowires, grown by thermal oxidation of iron powder, have been studied in the range of 5-1023 K with a superconducting quantum interference device below room temperature and with a [...]texto impreso
En esta tesis doctoral se estudia la elaboración de aleaciones de CoNiFe y CoP por electrodeposición, la caracterización magnética de las mismas y su utilización para fabricar heteroestructuras y sensores magnéticos integrados.Hemos realizado un[...]texto impreso
Prados Díaz, Alicia ; Pérez García, Lucas ; Guzmán, Alvaro ; Ranchal Sánchez, Rocío | Amer Chemical Soc | 2016-12-15We have studied the electrodeposition of Bi thin films on two GaAs orientations with different atomic arrangement and chemical composition, (110) and (111)B. The electrochemical properties of each substrate have been analyzed by means of cyclic [...]texto impreso
Ruiz Gómez, Sandra ; Mascaraque Susunaga, Arantzazu ; Pérez García, Lucas ; Foerster, Michael ; Aballe, Lucía ; Proenca, M. P. ; Lucas, Irene ; Prieto, José Luis ; Figuera, Juan de la ; Quesada, Adrian | Nature Publishing Group | 2018-11-12The precise control and stabilization of magnetic domain walls is key for the development of the next generation magnetic nano-devices. Among the multitude of magnetic configurations of a magnetic domain wall, topologically protected states are [...]texto impreso
Marcano, N. ; Sangiao, S. ; Magén, C. ; Morellon, L. ; Ibarra,, M. R. ; Plaza, M. ; Pérez García, Lucas | American Physical Society | 2010-09-29We have investigated the magnetotransport properties of ultrathin films of Bi grown on thermally oxidized Si(001) substrates with thickness ranging from 10 to 100 nm at temperatures down to 2 K and in magnetic fields up to 90 kOe. Remarkable dif[...]texto impreso
Serrano, A., A. ; Plaza, M. ; Pérez García, Lucas ; Venta, J. de la ; LLopis, J. ; García, M. A. | American Physical Society | 2009-04We report here the observation of ferromagnetism (FM) at 300 K in mixtures of TiO? and Co?O? powders despite the antiferromagnetic and diamagnetic characters of both oxides, respectively. The ferromagnetic behavior is found in the early stages o[...]texto impreso
Ciudad, David ; Díaz Michelena, Marina ; Pérez García, Lucas ; Aroca, Claudio | Molecular Diversity Preservation International-MDPI | 2010-03In this paper, we give an overview of the research on fluxgate magnetometers carried out in Spain. In particular we focus in the development of the planar-type instruments. We summarize the fabrication processes and signal processing development[...]texto impreso
Prados Díaz, Alicia ; Ranchal Sánchez, Rocío ; Pérez García, Lucas | Pergamon-Elsevier Science Ltd. | 2015-08-20Bismuth ultra-thin films grown on n-GaAs electrodes via electrodeposition are porous due to a blockade of the electrode surface caused by adsorbed hydrogen when using acidic electrolytes. In this study, we discuss the existence of two sources of[...]texto impreso
Ruiz Gómez, Sandra ; Pérez García, Lucas ; Mandziak, Anna ; Figuera, Juan de la ; Delgado Soria, Guiomar ; Prieto Recio, Pilar ; Quesada, Adrian ; Foerster, Michael ; Aballe, Lucía | Nature Publishing Group | 2018-12-19We demonstrate the preparation of ultrathin Fe-rich nickel ferrite (NFO) islands on a metal substrate. Their nucleation and growth are followed in situ by low-energy electron microscopy (LEEM). A comprehensive characterization is performed combi[...]texto impreso
Ruiz Clavijo, Alejandra ; Ruiz Gómez, Sandra ; Caballero Calero, Olga ; Pérez García, Lucas ; Martín González, Marisol | Wiley-V C H Verlag Gmbh | 2019-07-19The control of magnetic anisotropy has been the driving force for the development of magnetic applications in a wide range of technological fields from sensing to spintronics. In recent years, the possibility of tailoring the magnetic properties[...]texto impreso
Abuín Herráez, Manuel ; Maicas, Marco ; García, M Ángel ; Pérez García, Lucas ; Mascaraque Susunaga, Arantzazu | IOP publishing ltd | 2017-12-06We have fabricated Fe52-54Co46-48 nanomagnet arrays as a function of several geometrical parameters like the spacing between nanostructures, the aspect ratio and the layers thicknesses. The nanomagnets consist in two magnetic layers, separated b[...]texto impreso
Cortés Llanos, Belén ; Serrano, Aída ; Muñoz-Noval, Alvaro ; Urones-Garrote, Esteban ; Adolfo del Campo, José F. Marco ; Ayuso Sacido, Angel ; Pérez García, Lucas | Amer Chemical Soc | 2017-10-19Nowadays, iron oxide-based nanostructures are key materials in many technological areas. Their physical and chemical properties can be tailored by tuning the morphology. In particular, the possibility of increasing the specific surface area has [...]