Información del autor
Autor Hernando Grande, Antonio |
Documentos disponibles escritos por este autor (72)
texto impreso
Marín Palacios, Pilar ; Aragon, A.M ; Lieblich, M. ; Garcia Escorial, A. ; Crespo del Arco, Patricia ; Hernando Grande, Antonio | American Institute of Physics | 2012-07Magnetization curves of mixed Nb and FeSi based micrometric particles have been analyzed. The influence of the dispersion of Nb particles on the mixture remanence and coercivity has been studied above and below the Nb superconducting critical t[...]texto impreso
Herrero Gómez, Carlos ; Marín Palacios, Pilar ; Hernando Grande, Antonio | American Institute of Physics | 2013-09-30In the present paper, we report a systematic study of the magnetoelastic resonance of amorphous magnetic microwires of composition Fe73Si11B13Nb3. The study was performed for samples annealed at different temperatures. It was observed that such [...]texto impreso
Marín Palacios, María Pilar ; Aragón, A. M ; Garcia Escoria, A. ; Lieblich, M. ; Crespo del Arco, Patricia ; Hernando Grande, Antonio | American Institute of Physics | 2013-01-28Fe_(73.5)Si_(13.5)B_9Nb_3Cu_1 powder particles have been obtained by gas atomization. Magnetization curves and coercivity were studied for particles ranging in size up to 1000?. The overall magnetic behavior of such material is consequence of c[...]texto impreso
Morales Casero, Irene ; Archilla Sanz, Diego ; Presa Muñoz del Toro, Patricia de la ; Hernando Grande, Antonio ; Marín Palacios, María Pilar | Nature Publishing Group | 2020-01-17It is well stablished that heating efficiency of magnetic nanoparticles under radiofrequency fields is due to the hysteresis power losses. In the case of microwires (MWs), it is not clear at all since they undergo non-coherent reversal mechanism[...]texto impreso
texto impreso
Hernando Grande, Antonio ; Garcia, M.A. ; Gálvez Alonso, Fernando ; Guinea, F. | Elsevier | 2020-04-15It is shown that magnetic forces as the force -/+ mu(V) over barB, exerted on electron spins at rest, account for both the transverse spin imbalance typical of spin Hall effect and the transverse charge imbalance associated with pure spin curren[...]texto impreso
Martínez, A. ; Spottorno Giner, Jorge ; Figueroa, A. ; Bartolome, F. ; Garcia, L. M. ; Prestipino, C. ; Hernando Grande, Antonio ; Crespo del Arco, Patricia | American Physical Society | 2010-07-14Amorphous metastable alloy of nominal composition [Fe_(0.5)Cu_(0.5)]_(87)Zr_(13) has been synthesized by high-energy ball milling. The alloy exhibit a ferromagnetic behavior with a Curie Temperature of T_(C)=255 K, as determined from low-field m[...]texto impreso
Cobos, M.A. ; Presa Muñoz del Toro, Patricia de la ; Llorente, I. ; Garcia Escorial, A. ; Hernando Grande, Antonio ; Jiménez, J.A. | Elsevier Science | 2020-12-30Synthesis and processing methods can have a significant influence on the physical properties of spinel zinc ferrite since it can produce microstructures characterized by different microstructural parameter such as the arrangement of the ions, la[...]texto impreso
Navarro, I. ; Pulido, E. ; Crespo del Arco, Patricia ; Hernando Grande, Antonio | American Institute of Physics | 1993-03-15It is shown that the presence of highly anisotropic magnetic precipitates in a soft multiphased matrix can produce a remarkable hardening, even when the volume fraction of the precipitates is small. The exchange coupling between the matrix and t[...]texto impreso
Hernando Grande, Antonio ; García, Miguel A. ; Soto León, Vanesa ; Alonso Bonilla, Carlos ; Aguilar, Juan ; Oliviero, Antonio | Frontiers Media | 2020-05-19Static magnetic fields have been shown to induce effects on the human brain. Different experiments seem to support the idea that moderate static magnetic field can exert some influence on the gating processes of the membrane channels. In this ar[...]texto impreso
Ovejero, Jesús G. ; Mayoral, A. ; Cañete, M. ; García, M. ; Hernando Grande, Antonio ; Herrasti, P. | American Scientific Publishers | 2019-04In this study, we evaluate the magnetic properties and cytotoxic effect of magnetic nanoparticles (MNPs) based on magnetite and Mn, Co and Ni ferrites, obtained by electrochemical synthesis. These nanoparticles have almost spherical shape and an[...]texto impreso
Guerrero, Estefania ; Muñoz Márquez, Miguel ; Fernández Pinel, Enrique ; Crespo del Arco, Patricia ; Hernando Grande, Antonio ; Fernández, Asunción | Springer | 2008Gold nanoparticles (NPs) have been stabilized with a variety of thiol-containing molecules in order to change their chemical and physical properties; among the possible capping systems, alkane chains with different lengths, a carboxylic acid and[...]texto impreso
ailoring the structure of nanocrystalline microstructures is an important step toward controlled design of novel nanostructured materials and devices. We demonstrate how the nanocrystalline microstructure of Co-rich ribbons can be tuned by annea[...]texto impreso
Hernando Grande, Antonio ; Crespo del Arco, Patricia ; García, M. A. | American Physical Society | 2006-03-03texto impreso
texto impreso
Guerrero, E. ; Rojas, T. C ; Multigner, M. ; Crespo del Arco, Patricia ; Muñoz Márquez, M. A. ; García, M. A. ; Hernando Grande, Antonio ; Fernández, A. | Pergamon-Elsevier Science Ltd | 2007-03In the present paper, we show an exhaustive microstructural characterization of thiol-capped gold nanoparticles (NPs) with two different average particle sizes. These samples are compared with the polymer-like Au(I) phase formed as a precursor d[...]texto impreso
Ovejero, Jesús G. ; Godinho, Vanda ; Lacroix, Bertrand ; García, Miguel A. ; Hernando Grande, Antonio ; Fernández, Asunción | Elsevier Science | 2019-06-05In this paper Co/CoO thick layers (hundreds of nanometers) of different porosity and oxidation degree were prepared in a magnetron sputtering deposition process by tailoring the DC sputtering power, as well as the process gas and target composit[...]texto impreso
Crespo del Arco, Patricia ; Hernando Grande, Antonio ; Garcia Escorial, A. ; Kemner, K.M. ; Harris, V. J. | American Institute of Physics | 1994-11-15The local structure and chemistry of a ferromagnetic fcc-Fe_50Cu_50 solid solution obtained through high-energy ball milling were measured before and after heat-treatment-induced decomposition using extended x-ray-absorption fine-structure measu[...]texto impreso
Crespo del Arco, Patricia ; García, M. A. ; Fernandez Pinel, E. ; Multigner, M. ; Alcántara, D. ; De la Fuente, J. M. ; Penadés, S. ; Hernando Grande, Antonio | American Physical Society | 2006-10-27In this Letter, we report on a crucial experiment showing that magnetic impurities reduce the ferromagnetic order temperature in thiol-capped Au glyconanoparticles (GNPs). The spontaneous magnetization of AuFe GNPs exhibits a fast decrease with [...]texto impreso
Quesada, A. ; García, M. A. ; Andrés, M. ; Hernando Grande, Antonio ; Fernandez, J. F. ; Caballero, A. C. ; Martín González, M. S. ; Briones, F. | American Institute of Physics | 2006-12The origin of ferromagnetism in diluted magnetic semiconductors is still an open question, yielding a great deal of research across the world. This work focuses on the Co-Zn-O system. Room-temperature ferromagnetism is observed after a partial r[...]texto impreso
Sampedro, B. ; Crespo del Arco, Patricia ; Hernando Grande, Antonio ; Litran, R. ; Sánchez López, J. C. ; López Cartes, C. ; Fernández, A. ; Ramírez, J. ; Gónzalez Calbet, J. ; Vallet, M. | American Physical Society | 2003-12-05The onset of ferromagnetism has been experimentally observed in small Pd particles of average diameter 2.4 nm. High-resolution studies reveal that a high percentage of the fcc particle exhibits single and multiple twinning boundaries. The sponta[...]texto impreso
Crespo del Arco, Patricia ; Multigner, M. ; Castaño, F. J. ; Casero, R. ; Hernando Grande, Antonio | American Physical Society | 2000-06-01In this paper, the production of FeCu-based FeCuZr amorphous alloys by ball milling is reported. The thermal dependence of magnetization for the [Fe_(0.5)Cu_(0.5)]_85Zr_(15) (at. %) amorphous alloy has been found to show a dramatic field depende[...]texto impreso
Ruiz Gómez, Sandra ; Serrano, A. ; Carabias,, I. ; Garc?a, M. A. ; Hernando Grande, Antonio ; Mascaraque Susunaga, Arantzazu ; Pérez García, Lucas ; González Barrio, Miguel Ángel ; Rodríguez de la Fuente, Óscar | American Institute of Physics | 2017-02-27We have used a low-energy ion bombardment to fabricate an epitaxial single-crystalline magnetite/hematite bilayer grown on Au(111). This non-conventional fabrication method involves the transformation of the upper layers of a single-crystalline [...]texto impreso
Hernando Grande, Antonio ; Ayuela, A. ; Crespo del Arco, Patricia ; Echenique, P. M. | IOP Publishing | 2014The presence of giant diamagnetism in Au nanorods, NRs, is shown to be a possible consequence of field induced currents in the surface electrons. The distance, ?, between quantum surface energy levels has been calculated as a function of the NRs[...]texto impreso
Hernando Grande, Antonio ; Crespo del Arco, Patricia ; García, M. A. ; Fernandez Pinel, E. ; De la Venta,1, J ; Fernández, A. ; Penadés, S. | American Physical Society | 2006-08It has been observed for palladium and gold nanoparticles that the magnetic moment at a constant applied field does not change with temperature over the range comprised between 5 and 300 K. These samples, with sizes smaller than 2.5 nm, exhibit [...]