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Birame Gueye, Papa Gorgui ; López Sánchez, Jesús ; Navarro Palma, Elena ; Serrano, Aída ; Marín Palacios, María Pilar | American Chemical Society | 2020-04-01A combination of high-energy ball milling, vacuum filtering, and sedimentation processes has been demonstrated to be a useful approach to reduce, in a controlled way, the length of as-cast Fe_(73.5)Si_(13.5)Nb_3Cu_1B_9 amorphous magnetic microwi[...]texto impreso
Navarro Palma, Elena ; Monton, C. ; Pereiro, J. ; Basaran, Ali C. ; Schuller, Ivan K. | American Physical Society | 2015-09-21We present a comparative study of vortex pinning efficiency in superconducting (V) thin films grown on two similar triangular arrays of superconducting (Nb) and nonsuperconducting (Cu) nanodots. Resistance and magnetization anomalies at the same[...]texto impreso
Ruiz-Valdepeñas Martín de Almagro, Luis ; Vélez, M. ; Valdés Bango, F. ; Álvarez Prado, L.M. ; García Alonso, F.J. ; Martín, J.I. ; Navarro Palma, Elena ; Alameda, J.M. ; Vicent López, José Luis | American Institute of Physics | 2014-06-07Magnetization reversal processes have been studied in hybrid magnetic/superconducting Nd-Co/Nb bilayers by the comparison of out-of-plane magnetic hysteresis loops and superconducting phase diagrams as a function of magnetic layer thickness and [...]texto impreso
Huttel, Y. ; Navarro Palma, Elena ; Telling, N. D. ; van der Laan, G. ; Pigazo, F. ; Palomares, F. J. ; Quintana, C. ; Román, E. ; Armelles, G. ; Cebollada, A. | American Physical Society | 2008-09We show that Fe nanoislands capped with Al, Pd, and Pt protecting layers include an alloy at the interface with the capping layer, which explains the previously known capping layer dependence on the interparticle magnetic coupling. Vibrating sam[...]texto impreso
Gálvez, F. ; Valle, J. del ; Gómez Gutiérrez, Alicia ; González Herrera, Elvira María ; Navarro Palma, Elena ; Vicent López, José Luis ; Soriano, N. ; Mora, B. ; Rollano, V. ; Gargiani, P. | American Institute of Physics | 2020-06-01The development of multilayered materials with engineered magnetic properties compels a deep knowledge of physical properties at the atomic scale. The magnetic anisotropy is a key property in these materials. This work accounts for the magnetic [...]texto impreso
Joshi, Amish G ; Kryukov, Sergiy A. ; De Long, Lance E. ; González Herrera, Elvira María ; Navarro Palma, Elena ; Villegas, Javier E. ; Vicent López, José Luis | American Institute of Physics | 2007-05-01We report vibrating reed and superconducting quantum interference device magnetometer data that exhibit prominent dips or oscillations of the superconducting (SC) onset temperature, Delta T(C)(H)approximate to 0.01-0.7 K, for a [Nb(23 nm)/Ni(5 n[...]texto impreso
Navarro Palma, Elena ; Vélez, M. ; Huttel, Y. ; Pérez Junquera, A. ; Martín, J. Y. ; Lima, O. F. de ; Cebollada, A. ; Alameda, J. M. ; Vicent López, José Luis | American Institute of Physics | 2009-02-01Shifted hysteresis loops characteristic of the exchange bias effect between a ferromagnet and an antiferromagnet are demonstrated in structures formed by a 2.5 nm Cr layer deposited on top of an array of Fe nanoislands (Cr/Fe-nanoislands). This [...]texto impreso
Ruiz Valdepenas, L. ; Navarro Palma, Elena ; Vicent López, José Luis | American Institute of Physics | 2012-10-15Nd-Co amorphous magnetic films with perpendicular magnetic anisotropy have been grown on nanostructured templates prepared with self-organized di-block poly(styrene)-block-poly(4-vinylpyridine) copolymer layers with a periodic structure of 60 nm[...]texto impreso
Moya, Alberto ; Archilla Sanz, Diego ; Navarro Palma, Elena ; Hernando Grande, Antonio ; Marín Palacios, María Pilar | MDPI | 2019-07-12Co-based amorphous microwires presenting the giant magnetoimpedance effect are proposed as sensing elements for high sensitivity biosensors. In this work we report an experimental method for contactless detection of stress, temperature, and liqu[...]texto impreso
Calleja, J. F. ; Huttel, Y. ; Contreras, M. C. ; Navarro Palma, Elena ; Presa, B. ; Matarranz, R. ; Cebollada, A. | American Institute of Physics | 2006-09-01A detailed study of the structure and magnetic properties of V/Co versus Co/V bilayers grown on MgO(001) substrates with cubic and hexagonal Co crystal structures is presented. Co is found to adopt fcc structure when grown on MgO(001), while it [...]texto impreso
De Long, LE ; Kryukov, S. A. ; Bosomtwi, A. ; Xu, WT ; González Herrera, Elvira María ; Navarro Palma, Elena ; Villegas, J. E. ; Vicent López, José Luis ; Yu, Ct ; Pechan, MJ | Taylor & Francis Ltd | 2006-06-11The temperature and field dependences of the AC and DC magnetic moment of superconducting and ferromagnetic Nb/Ni multilayers were measured using a SQUID magnetometer with magnetic field applied parallel to the multilayer plane. Periodic kinks i[...]texto impreso
Rollano, V. ; Muñoz Noval, Álvaro ; Valle, J. del ; Menghini, M. ; Ory, M. C. de ; Prieto, J. L. ; Navarro Palma, Elena ; González Herrera, Elvira María ; Vicent López, José Luis | IOP Publishing Ltd. | 2019-11-29A controlled local enhancement of superconductivity yields unexpected modifications in the vortex dynamics. This local enhancement has been achieved by designing an array of superconducting Nb nanostructures embedded in a V superconducting film.[...]
