Listar División de Nanociencias y Materiales por autor "Sánchez Llamazares, José Luis"

Mostrando ítems 21-40 de 65

    • Giant reversible inverse magnetocaloric effects in Ni50Mn35In15 Heusler alloys 

      Quetz, Abdiel; Koshkid'ko, Yury S.; Titov, Ivan; Rodionov, Igor; Pandey, Sudip; Aryal, Anil; Ibarra Gaytán, Pablo Jesús; Prudnikov, Valery; Granovsky, Alexander; Dubenko, Igor; Samanta, Tapas; Cwik, Jacek; Sánchez Llamazares, José Luis; Stadler, Shane; Lahderanta, Erkki; Ali, Naushad (Elsevier, 2016)
      "The magnetic properties and reversibility of the magnetocaloric effect of Ni50Mn35In15 have been studied in the vicinity of the phase transition using magnetization and direct adiabatic temperature change (?Tad) measurements ...

    • High temperature martensitic transformation and giant magnetocaloric effect in Ni40Co10Mn41Sn9 melt-spun ribbons 

      Chen, Feng; Sánchez Llamazares, José Luis; Sánchez Valdés, Cesar Fidel; Müllner, Peter; Shi, Yangguang; Tong, Yunxiang; Li, Li (Elsevier, 2018)
      "We report a large magnetic entropy change associated with a high-temperature martensitic transformation in Ni40Co10Mn41Sn9 (at. %) melt-spun ribbons. The ribbons underwent a first-order forward martensitic transition and ...

    • High-magnetic field characterization of magnetocaloric effect in FeZrB(Cu) amorphous ribbons 

      Álvarez Alonso, Pablo; Sánchez Llamazares, José Luis; Sánchez Valdés, Cesar Fidel; Fernández-Gubieda Ruiz, María Luisa; Gorria, Pedro; Blanco Rodríguez, Jesús Angel (2015-05)
      "The magnetic and magnetocaloric properties of a series of Fe-rich FeZrB(Cu) amorphous ribbons were investigated under magnetic field values up to mu H-0 of 8 T. A correlation between the saturation magnetization and the ...

    • In-plane anisotropy in BSCCO superconducting tapes: Transport and magnetometric criteria 

      García Gordillo, Andy Scott; Sánchez Valdés, Cesar Fidel; Sánchez Llamazares, José Luis; Altshuler, Ernesto (Elsevier, 2020)
      "Here, the anisotropy between the longitudinal and transverse directions of multi-filamentary Bi2Sr2Ca2Cu3O10+x tapes ("in plane" anisotropy) is studied by transport and magnetization measurements. By minimally manipulating ...

    • Investigating the magnetic entropy change in single-phase Y2Fe17 melt-spun ribbons 

      Sánchez Llamazares, José Luis; Álvarez Alonso, Pablo; Sánchez Valdés, Cesar Fidel; Ibarra Gaytán, Pablo Jesús; Blanco Rodríguez, Jesús Angel; Gorria, Pedro (Elsevier, 2016)
      "The inspection of simplified fabrication and/or processing routes in order to produce materials with attractive magnetocaloric properties is of paramount importance for the development of environmentally friendly magnetic ...

    • Kinetic arrest of direct and reverse martensitic transformation and exchange bias effect in Mn49.5Ni40.4In10.1 melt spun ribbons 

      Sánchez Llamazares, José Luis; Hernando, Blanca; Suñol, Joan Josep.; Garcia, Carlos; Ross, Caroline A. (2010-05)
      "Phase coexistence phenomena related to direct and reverse martensitic transformation have been studied in melt spun ribbons of the magnetic shape memory alloy Mn49.5Ni40.4In10.1. For magnetic fields above 10 kOe martensitic ...

    • Large reversible magnetic entropy change in rapidly solidified Ni0.895Cr0.105MnGe1.05 melt-spun ribbons 

      Aryal, Anil; Quetz, Abdiel; Sánchez Valdés, Cesar Fidel; Ibarra Gaytán, Pablo Jesús; Pandey, Sudip; Dubenko, Igor; Sánchez Llamazares, José Luis; Stadler, Shane; Ali, Naushad (Elsevier, 2018)
      "The crystal structure, and magnetic and magnetocaloric properties of rapidly solidified Ni0.895Cr0.105MnGe1.05 melt-spun ribbons is reported. The ribbon samples crystallize into a single-phase hexagonal Ni2In-type structure ...

    • Magnetic and martensitic transformations in Ni48Co2Mn35In15 melt-spun ribbons 

      Pandey, Sudip; Quetz, Abdiel; Ibarra Gaytán, Pablo Jesús; Sánchez Valdés, Cesar Fidel; Aryal, Anil; Dubenko, Igor; Sánchez Llamazares, José Luis; Stadler, Shane; Ali, Naushad (American Institute of Physics, 2018)
      "As-solidified Ni48Co2Mn35In15 ribbons were prepared through the melt-spinning method, and their structural, magnetic, magnetocaloric properties, and martensitic transformations were investigated. The inverse martensitic ...

    • Magnetic entropy change and refrigerant capacity of rapidly solidified TbNi2 alloy ribbons 

      Sánchez Llamazares, José Luis; Sánchez Valdés, Cesar Fidel; Ibarra Gaytán, Pablo Jesús; Álvarez Alonso, Pablo; Gorria, Pedro; Blanco Rodríguez, Jesús Angel (2013-05)
      "The magnetocaloric effect in TbNi2 alloy ribbons synthesized by rapid solidification was investigated. This material crystallizes in a superstructure of the cubic Laves phase structure type C15 (space group F-43m). The ...

    • Magnetic entropy table-like shape in RNi2 composites for cryogenic refrigeration 

      Ibarra Gaytán, Pablo Jesús; Sánchez Llamazares, José Luis; Álvarez Alonso, Pablo; Sánchez Valdés, Cesar Fidel; Gorria, Pedro; Blanco Rodríguez, Jesús Angel (2015-05)
      "We have investigated the magnetocaloric (MC) effect in a two-phase composite based on melt-spun ribbons of the intermetallic DyNi2 and TbNi2 Laves phases. The temperature dependence of the isothermal magnetic entropy ...

    • Magnetic structure and magneto-volume anomalies in Er(2)Fe(17) compound 

      Álvarez Alonso, Pablo; Gorria, Pedro; Marcos, Jorge Sánchez; Puente Orench, Inés; Rodríguez Velamazán, José Alberto; Cuello, Gabriel J.; Sánchez Llamazares, José Luis; Blanco Rodríguez, Jesús Angel (2011)
      "Neutron powder diffraction shows that the intermetallic Er(2)Fe(17) compound with hexagonal crystal structure has a ferrimagnetic ground state (T(C) = 303 K). At T = 5 K the magnetic moments of Fe sublattice (mu similar ...

    • Magnetic, thermal and magnetocaloric properties of Ni50Mn35In14.5B0.5 ribbons 

      Pandey, Sudip; Quetz, Abdiel; Ibarra Gaytán, Pablo Jesús; Sánchez Valdés, Cesar Fidel; Aryal, Anil; Dubenko, Igor; Mazumdar, Dipanjan; Sánchez Llamazares, José Luis; Stadler, Shane; Ali, Naushad (VBRI Press, 2017)
      "The structural, thermal, magnetic, and magnetocaloric properties of Ni50Mn35In14.5B0.5 melt-spun ribbons have been investigated using room-temperature x-ray diffraction (XRD), differential scanning calorimetry (DSC), and ...

    • Magneto-caloric effect in the pseudo-binary intermetallic YPrFe17 compound 

      Álvarez Alonso, Pablo; Gorria, Pedro; Sánchez Llamazares, José Luis; Perez, Maria J.; Franco, Victorino; Reiffers, Marian; Kovac, Jozef; Puente Orench, Inés; Blanco Rodríguez, Jesús Angel (Elsevier, 2011)
      "We have synthesized the intermetallic YPrFe17 compound by arc-melting. X-ray and neutron powder diffraction show that the crystal structure is rhombohedral with space group (Th2Zn17-type). The investigated compound ...

    • Magnetocaloric effect in ErNi2 melt-spun ribbons 

      Sánchez Llamazares, José Luis; Ibarra Gaytán, Pablo Jesús; Sánchez Valdés, Cesar Fidel; Ríos Jara, David; Álvarez Alonso, Pablo (Elsevier, 2019)
      "ErNi2 ribbons were produced by rapid solidification using the melt spinning technique. Their structural, magnetic and magnetocaloric properties in the as-solidified state were studied by X-ray diffraction, scanning electron ...

    • Magnetocaloric effect in ErNi2 melt-spun ribbons 

      Sánchez Llamazares, José Luis; Ibarra Gaytán, Pablo Jesús; Sánchez Valdés, Cesar Fidel; Ríos Jara, David; Álvarez Alonso, Pablo (Elsevier, 2020)
      "ErNi2 ribbons were produced by rapid solidification using the melt spinning technique. Their structural, magnetic and magnetocaloric properties in the as-solidified state were studied by X-ray diffraction, scanning electron ...

    • Magnetocaloric effect in nanostructured Pr2Fe17 and Nd2Fe17 synthesized by high-energy ball-milling 

      Álvarez Alonso, Pablo; Sánchez Marcos, Jorge; Sánchez Llamazares, José Luis; Franco, Victorino; Reiffers, Marian; Blanco Rodríguez, Jesús Angel; Gorria, Pedro (2010-11)
      "Nanocrystalline Pr2Fe17 and Nd2Fe17 powders with rhombohedral Th2Zn17-type crystal structure and average particle sizes around 20 nm have been obtained by high-energy ball milling While the bulk alloys show a well-defined ...

    • Magnetocaloric properties of rapidly solidified Dy3Co alloy ribbons 

      Sánchez Llamazares, José Luis; Flores Zúñiga, Horacio; Álvarez Alonso, Pablo; Sánchez Valdés, Cesar Fidel; Lara Rodríguez, Gabriel Ángel; Fernández-Gubieda Ruiz, María Luisa (2015-05)
      "The magnetic and magnetocaloric (MC) properties of melt-spun ribbons of the Dy3Co intermetallic compound were investigated. Samples were fabricated in an Ar environment using a homemade melt spinner system at a linear ...

    • Magnetostructural transition and magnetocaloric effect in MnNiGe1.05 melt-spun ribbons 

      Daniel Pérez, Gerardo; Sánchez Llamazares, José Luis; Quintana Nedelcos, Aris; Álvarez Alonso, Pablo; Chernenko, Volodymyr (2014-05)
      "Alloy ribbons of nominal composition MnNiGe1.05 were produced using the melt-spinning technique. As-quenched (aq) polycrystalline ribbons are single-phase showing the hexagonal Ni2In-type crystal structure. After thermal ...

    • Magnetostructural transitions and magnetocaloric effects in Ni50Mn35In14.25B0.75 ribbons 

      Pandey, Sudip; Quetz, Abdiel; Ibarra Gaytán, Pablo Jesús; Sánchez Valdés, Cesar Fidel; Aryal, Anil; Dubenko, Igor; Sánchez Llamazares, José Luis; Stadler, Shane; Ali, Naushad (American Institute of Physics, 2018)
      "The structural, thermal, and magnetic behaviors, as well as the martensitic phase transformation and related magnetocaloric response of Ni50Mn35In14.25B0.75 annealed ribbons have been investigated using room-temperature ...

    • Magnetovolume and magnetocaloric effects in Er2Fe17 

      Álvarez Alonso, Pablo; Gorria, Pedro; Blanco Rodríguez, Jesús Angel; Sánchez Marcos, Jorge; Cuello, Gabriel J.; Puente Orench, Inés; Rodríguez Velamazán, José Alberto; Garbarino, Gastón; De Pedro, Imanol; Rodríguez Fernández, Jesús; Sánchez Llamazares, José Luis (2012-11)
      "Combining different experimental techniques, investigations in hexagonal P6(3)/mmc Er2Fe17 showremarkable magnetovolume anomalies below the Curie temperature, T-C. The spontaneous magnetostriction reaches 1.6 x 10(-2) at ...