Listar por autor UPNA "Beato López, Juan Jesús"

Mostrando ítems 1-20 de 20

    • Analog lock-in amplifier design using subsampling for accuracy enhancement in GMI sensor applications 

      Algueta-Miguel, Jose M. Upna Orcid; Beato López, Juan Jesús Upna Orcid; López Martín, Antonio Upna Orcid (MDPI, 2023)   Artículo / Artikulua  OpenAccess
      A frequency downscaling technique for enhancing the accuracy of analog lock-in amplifier (LIA) architectures in giant magneto-impedance (GMI) sensor applications is presented in this paper. As a proof of concept, the ...

    • A combination of a vibrational electromagnetic energy harvester and a giant magnetoimpedance (GMI) sensor 

      Beato López, Juan Jesús Upna Orcid; Royo, Isaac Upna Orcid; Algueta-Miguel, Jose M. Upna Orcid; Gómez Polo, Cristina Upna Orcid (MDPI, 2020)   Artículo / Artikulua  OpenAccess
      An energy harvesting device combined with a giant magnetoimpedance (GMI) sensor is presented to analyze low frequency vibrating systems. An electromagnetic harvester based on magnetic levitation is proposed for the electric ...

    • Contactless magnetic nanoparticle detection platform based on non-linear GMI effect 

      Beato López, Juan Jesús Upna Orcid; Algueta-Miguel, Jose M. Upna Orcid; Gómez Polo, Cristina Upna Orcid (Elsevier, 2021)   Artículo / Artikulua  OpenAccess
      A detection platform based on non-linear Giant Magnetoimpedance Effect was analyzed for the design of a contactless and low-cost detector of magnetic nanoparticles. The sensor consists of two soft magnetic amorphous wires ...

    • Desarrollo de sensores basados en el efecto de magnetoimpedancia gigante empleando materiales magnéticos amorfos obtenidos mediante técnicas de enfriamiento ultrarrápido 

      Beato López, Juan Jesús Upna Orcid (2018)   Tesis doctoral / Doktoretza tesia  OpenAccess
      El presente trabajo tiene un claro carácter práctico y aplicado. El principal objetivo es el desarrollo de sensores basados en el efecto de magnetoimpedancia gigante (o efecto GMI) empleando materiales magnéticos amorfos ...

    • Effect of Cu substitution on the magnetic and magnetic induction heating response of CdFe₂O₄ spinel ferrite 

      Ghasemi, R.; Echeverría Morrás, Jesús Upna Orcid; Pérez de Landazábal Berganzo, José Ignacio Upna Orcid; Beato López, Juan Jesús Upna Orcid; Naseri, M.; Gómez Polo, Cristina Upna Orcid (Elsevier, 2020)   Artículo / Artikulua  OpenAccess
      In this work, a comparative study of the effect of Cu on the structural, magnetic and magnetic induction heating response in CdFe2O4 spinel is presented. The ceramic nanoparticles (Cu1−xCdxFe2O4; 0 ≤ x ≤ 1) were synthesized ...

    • Giant direct and inverse magnetocaloric effect linked to the same forward martensitic transformation 

      Pérez de Landazábal Berganzo, José Ignacio Upna Orcid; Recarte Callado, Vicente Upna Orcid; Sánchez-Alarcos Gómez, Vicente Upna Orcid; Beato López, Juan Jesús Upna Orcid; Rodríguez Velamazán, José Alberto; Sánchez Marcos, J.; Gómez Polo, Cristina Upna Orcid; Cesari, Eduard (Springer Nature, 2017)   Artículo / Artikulua  OpenAccess
      Metamagnetic shape memory alloys have aroused considerable attraction as potential magnetic refrigerants due to the large inverse magnetocaloric effect associated to the magnetic-field-induction of a reverse martensitic ...

    • Giant stress impedance magnetoelastic sensors employing soft magnetic amorphous ribbons 

      Beato López, Juan Jesús Upna Orcid; Urdaniz Villanueva, Juan Garikoitz; Pérez de Landazábal Berganzo, José Ignacio Upna Orcid; Gómez Polo, Cristina Upna Orcid (MDPI, 2020)   Artículo / Artikulua  OpenAccess
      Soft magnetic amorphous alloys obtained via rapid quenching techniques are widely employed in different technological fields such as magnetic field detection, bio labeling, non-contact positioning, etc. Among them, ...

    • Glutathione-magnetite nanoparticles: synthesis and physical characterization for application as MRI contrast agent 

      Beato López, Juan Jesús Upna Orcid; Domínguez, M.; Ramírez del Solar, M.; Litrán, R. (Springer, 2020)   Artículo / Artikulua  OpenAccess
      In this work a one-pot synthesis of water soluble glutathione capped magnetite nanoparticles is reported. The magnetic characterization of the samples shows the expected superparamagnetic behavior, but a wide range of ...

    • Influence of the geometry on the performance of GMI in meander configuration 

      Beato López, Juan Jesús Upna Orcid; Lete, N.; García-Arribas, A.; Gómez Polo, Cristina Upna Orcid (Elsevier, 2022)   Artículo / Artikulua
      The effect of geometry on Giant Magnetoimpedance effect (GMI) in a meander structure composed of three amorphous magnetic ribbons ((Co0.94 Fe0.06)72,5 Si12.5 B15; 20 mm length) connected electrically in series is analyzed. ...

    • Interferometric vs wavelength selective optical fiber sensors for cryogenic temperature measurements 

      Miguel Soto, Verónica de Upna Orcid; Leandro González, Daniel Upna Orcid; López Aldaba, Aitor Upna; Beato López, Juan Jesús Upna Orcid; Pérez de Landazábal Berganzo, José Ignacio Upna Orcid; Auguste, Jean-Louis; Jamier, Raphael; Roy, Philippe; López-Amo Sáinz, Manuel Upna Orcid (SPIE, 2017)   Contribución a congreso / Biltzarrerako ekarpena  OpenAccess
      In this work, a preliminary study of the behavior of two different interferometric fiber optic sensors and two different wavelength selective fiber optic sensors is performed. A photonic cristal fiber Fabry-Pérot interferometer, ...

    • Magnetic binary encoding system based on 3D printing and GMI detection prototype 

      Beato López, Juan Jesús Upna Orcid; Algueta-Miguel, Jose M. Upna Orcid; Galarreta Rodríguez, Itziar; López Ortega, Alberto Upna Orcid; Garayo Urabayen, Eneko Upna Orcid; Gómez Polo, Cristina Upna Orcid; Aresti Bartolomé, Maite; Soria Picón, Eneko; Pérez de Landazábal Berganzo, José Ignacio Upna Orcid (Elsevier, 2022)   Artículo / Artikulua  OpenAccess
      In this work, the feasibility of a magnetic binary encoding system using 3D printing technology is analyzed. The study has a double interest, that is, the possibility of printing a 3D piece that contains the codified ...

    • Magnetically activated 3D printable polylactic acid/polycaprolactone/magnetite composites for magnetic induction heating generation 

      Galarreta Rodríguez, Itziar; López Ortega, Alberto Upna Orcid; Garayo Urabayen, Eneko Upna Orcid; Beato López, Juan Jesús Upna Orcid; La Roca, Paulo Matías Upna; Sánchez-Alarcos Gómez, Vicente Upna Orcid; Recarte Callado, Vicente Upna Orcid; Gómez Polo, Cristina Upna Orcid; Pérez de Landazábal Berganzo, José Ignacio Upna Orcid (Springer, 2023)   Artículo / Artikulua  OpenAccess
      Additive manufacturing technology has attracted the attention of industrial and technological sectors due to the versatility of the design and the easy manufacture of structural and functional elements based on composite ...

    • Magnetocaloric effect enhancement driven by intrinsic defects in a Ni45Co5Mn35Sn15 alloy 

      Sánchez-Alarcos Gómez, Vicente Upna Orcid; López García, Javier Upna; Unzueta, Iraultza; Pérez de Landazábal Berganzo, José Ignacio Upna Orcid; Recarte Callado, Vicente Upna Orcid; Beato López, Juan Jesús Upna Orcid; García, José Ángel; Plazaola, Fernando; Rodríguez Velamazán, José Alberto (Elsevier, 2019)   Artículo / Artikulua  OpenAccess
      The influence of mechanically-induced defects on the magnetostructural properties is analyzed in a Ni-Co-Mn-Sn alloy subjected to soft milling and subsequent annealing treatments. It is found that, opposite to what occurs ...

    • Micrometric non-contact position magnetoimpedance sensor 

      Beato López, Juan Jesús Upna Orcid; Royo, Isaac Upna Orcid; Gómez Polo, Cristina Upna Orcid (Elsevier, 2018)   Artículo / Artikulua  OpenAccess
      In this work a sensitive micrometric non-contact position sensor based on the Giant MagnetoImpedance effect (GMI) is analyzed. A nearly zero magnetostrictive CoFeSiBCr wire was employed as sensor nucleus. The sensing ...

    • Monitoring structural transformations in metamagnetic shape memory alloys by non-contact GMI technology 

      Beato López, Juan Jesús Upna Orcid; La Roca, Paulo Matías Upna; Algueta-Miguel, Jose M. Upna Orcid; Garayo Urabayen, Eneko Upna Orcid; Sánchez-Alarcos Gómez, Vicente Upna Orcid; Recarte Callado, Vicente Upna Orcid; Gómez Polo, Cristina Upna Orcid; Pérez de Landazábal Berganzo, José Ignacio Upna Orcid (IOP Publishing, 2023)   Artículo / Artikulua
      Different applications based on metamagnetic shape memory alloy (MSMA) require monitoring the evolution of the martensitic transformation (MT) to optimize the actuation mechanism. To avoid interaction with the active ...

    • Non-linear GMI decoding in 3D printed magnetic encoded systems 

      Beato López, Juan Jesús Upna Orcid; Algueta-Miguel, Jose M. Upna Orcid; Galarreta Rodríguez, Itziar; Garayo Urabayen, Eneko Upna Orcid; López Ortega, Alberto Upna Orcid; Gómez Polo, Cristina Upna Orcid; Pérez de Landazábal Berganzo, José Ignacio Upna Orcid (Elsevier, 2023)   Artículo / Artikulua  OpenAccess
      The nonlinear giant magnetoimpedance (GMI) effect was explored as a highly sensitive sensing technology in 3D-printed magnetic encoded systems. Magnetic nanoparticles with low (magnetite, Fe3O4) and high (Co ferrite, ...

    • Optimized pattern design of a light guide using 2D ray-tracing simulation 

      Medrano Gurrea, Mario; Jiménez Martínez, Unai; Tainta Ausejo, Santiago Upna Orcid; Erro Betrán, María José Upna Orcid; Arnedo Gil, Israel; Beato López, Juan Jesús Upna Orcid; Izura, J.; Zabala, S. (SPIE, 2023)   Contribución a congreso / Biltzarrerako ekarpena  OpenAccess
      We propose the use of a simplified model for the analysis of the scattering elements used in edge-lit systems. By modelling their behaviour as lambertian light sources whose properties depend on the size and geometry of ...

    • Study of optical fiber sensors for cryogenic temperature measurements 

      Miguel Soto, Verónica de Upna Orcid; Leandro González, Daniel Upna Orcid; López Aldaba, Aitor Upna; Beato López, Juan Jesús Upna Orcid; Pérez de Landazábal Berganzo, José Ignacio Upna Orcid; Auguste, Jean-Louis; Jamier, Raphael; Roy, Philippe; López-Amo Sáinz, Manuel Upna Orcid (MDPI, 2017)   Artículo / Artikulua  OpenAccess
      In this work, the performance of five different fiber optic sensors at cryogenic temperatures has been analyzed. A photonic crystal fiber Fabry-Pérot interferometer, two Sagnac interferometers, a commercial fiber Bragg ...

    • Tailoring the structural and magnetic properties of Co-Zn nanosized ferrites for hyperthermia applications 

      Gómez Polo, Cristina Upna Orcid; Recarte Callado, Vicente Upna Orcid; Cervera Gabalda, Laura María Upna; Beato López, Juan Jesús Upna Orcid; López García, Javier Upna; Rodríguez Velamazán, José Alberto; Ugarte Martínez, María Dolores Upna Orcid; Mendonça, E. C.; Duque, J. G. S. (Elsevier, 2018)   Artículo / Artikulua  OpenAccess
      A comparative study of the magnetic properties (magnetic moment, magnetocrystalline anisotropy) and hyperthermia response in Co-Zn spinel nanoparticles is presented. The CoxZn1-xFe2O4 nanoparticles (x = 1, 0.5, 0.4, 0.3, ...

    • Thrust actuator with passive restoration force for wide gap magnetic bearings 

      Royo, Isaac Upna Orcid; Beato López, Juan Jesús Upna Orcid; Castellano Aldave, J. C.; Gómez Polo, Cristina Upna Orcid (Elsevier, 2019)   Artículo / Artikulua  OpenAccess
      Active thrust magnetic bearings provide an axial force to balance the moving parts of machines. However, most devices produce null or unbalancing passive forces. Furthermore, reported designs usually feature very small ...
      El Repositorio ha recibido la ayuda de la Fundación Española para la Ciencia y la Tecnología para la realización de actividades en el ámbito del fomento de la investigación científica de excelencia, en la Línea 2. Repositorios institucionales (convocatoria 2020-2021).
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