Listar Artículo en revista de investigación por autor "0000-0002-6522-8810"
Mostrando ítems 1-20 de 36
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Correlation between crystallographic and microstructural features and low hysteresis Ni50.0Mn35.25In14.75 melt-spun ribbons
Yan, H.L. (2018-10-30)In this work, crystallographic, microstructural and magnetocaloric investigations were performed on textured Ni50Mn35.25In14.75 melt-spun ribbons with low thermal (6 K) and magnetic-field induced hysteresis (−0.73 J kg−1 ... -
Corrigendum to “Design and fabrication of a cryogenic magnetocaloric composite by spark plasma sintering based on the RAl2 Laves phases (R1⁄4 Ho, Er)” [J. Alloy. Comp. 831 (2020) 154779]
Sánchez Valdés, César Fidel; Sánchez Llamazares, J.L.; Zamora, J.; Á lvarez-Alonso, P. (2020-03-30) -
Critical behavior in hexagonal Y2Fe17: magnetic interactions crossover from 3D to 2D Ising model
Sánchez Valdés, César Fidel; Fan, Jiyu; Huang, Can; Liu, Hao; Yang, Yu-E; Sánchez Llamazares, J. L.; Qian, Fengjiao; Gorria, Pedro; Zhu, Yan; Yang, Hao (2021-04-13)The critical behavior of single phase Y2Fe17 melt-spun ribbons with the Th2Fe17-type crystal structure has been studied around the transition temperature (TC). This alloy undergoes a second-order ferromagnetic (FM)–paramagnetic ... -
Critical magnetic and magnetocaloric behavior of amorphous melt-extracted Gd50(Co69.25Fe4.25Si13B13.5)50 microwires
Duc, N. T. M. (2019-07)We report on the structural, magnetic, and magnetocaloric properties and critical behavior of high-quality amorphous melt-extracted Gd50(Co69.25Fe4.25Si13B13.5)50 alloy microwires with an average diameter of 42 μm. The ... -
Design and fabrication of a cryogenic magnetocaloric composite by spark plasma sintering based on the RAl2 Laves phases (R= Ho, Er)
Sánchez Valdés, César Fidel; Sánchez Llamazares, J.L.; Zamora, J.; Álvarez-Alonso, P. (2020-08-05)We report the design and fabrication of a highly dense (>97%) two-phase magnetocaloric composite operating in the cryogenic temperature range based on the binary Laves phases HoAl2 and ErAl2 with a nearly table-like magnetic ... -
Direct and Indirect measurements of the magnetic and magnetocaloric properties of Ni0.895Cr0.105MnGe1.05 melt-spun ribbons in high magnetic fields
Aryal, Anil (2019-10-15)We report the magnetic and magnetocaloric properties of rapidly solidified Ni0.895Cr0.105MnGe1.05 melt-spun ribbons studied by both direct (adiabatic temperature change) and indirect (isothermal magnetic entropy change) ... -
Effect of imperfect interface on the effective properties of elastic micropolar multi-laminated nanostructures
Espinosa-Almeyda, Yoanh (2023-02-09)In this paper, the problem of a heterogeneous elastic micropolar nanostructure with a periodic structure subject to imperfect contact conditions is analyzed through the two-scale asymptotic homogenization method (AHM). ... -
Effective properties of centro-symmetric micropolar composites with non-uniform imperfect contact conditions
Espinosa-Almeyda, Yoanh; Sánchez Valdés, César Fidel; Yanes, V.; Rodríguez-Ramos, R.; Sabina, F. J.; Montans, F. J. (2023-06-01)In this work, the homogenization theory is addressed within the framework of three-dimensional linear micropolar composite materials with centro-symmetric constituents and non-uniform imperfect interface conditions. The ... -
Effects of annealing on the magnetic properties and magnetocaloric effects of B doped Ni-Mn-In melt-spun ribbons
Pandey, Sudip (2018-01-15)The magnetic, structural, thermal, and magnetocaloric properties of Ni50Mn35In14.5B0.5 melt-spun ribbons have been studied through X-ray diffraction (XRD), differential scanning calorimetry, and magnetization measurements. ... -
Enhanced magnetocaloric effect in rapidly solidified HoNi2 melt-spun ribbons
Sánchez Llamazares, J. L. (2019-02-05)The structural, magnetic and magnetocaloric properties of HoNi2 melt-spun ribbons were investigated by X-ray diffraction, magnetization and specific heat measurements. The as-solidified ribbons samples produced are single ... -
Enhanced refrigerant capacity and Curie temperature of amorphous Gd60Fe20Al20 microwires
Duc, N.T.M. (2019-10-30)Gd60Fe20Al20 microwires with an average diameter of ∼44 μm were fabricated by the melt-extraction method. XRD, TEM and HRTEM confirmed the amorphous nature of the microwires. The dimensional and chemical uniformity of the ... -
Giant and Reversible Inverse Barocaloric Effects near Room Temperature in Ferromagnetic MnCoGeB0.03
Aznar, Araceli (2019-08-05)Hydrostatic pressure represents an inexpensive and practical method of driving caloric effects in brittle magnetocaloric materials, which display first-order magnetostructural phase transitions whose large latent heats are ... -
Giant low-field magnetocaloric effect in Si alloyed Ni-Co-Mn-In alloys
Li, Zongbin (2019-01-15)For NiMn-based Heusler alloys, simultaneously achieving high magnetization difference and low thermal hysteresis across the magnetostructural transformation is of crucial importance to obtain large low-field actuated ... -
High temperature martensitic transformation and giant magnetocaloric effect in Ni40Co10Mn41Sn9 melt-spun ribbons
Chen, F. (2018-05-05)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 ... -
In-plane anisotropy in BSCCO superconducting tapes: transport and magnetometric criteria
Sánchez Valdés, César Fidel; García-Gordillo, A.S.; Sánchez Llamazares, J.L.; Altshuler, E. (2020-07-01)Here, the anisotropy between the longitudinal and transverse directions of multi-filamentary tapes (“in plane" anisotropy) is studied by transport and magnetization measurements. By minimally manipulating experimental data, ... -
Influence of γ phase on the magnetostructural transition and magnetocaloric properties in Ni38Co12Mn41Sn9 melt-spun ribbons
Sánchez Valdés, César Fidel; Chen, F.; Sánchez Llamazares, J.L.; Müllner, P.; Tong, Y.X.; Li, L. (2023-06-05)In the present work, Ni38Co12Mn41Sn9 melt-spun ribbons were annealed under different conditions to make samples free of secondary γ phase precipitates or get them with various average grain sizes. A comparative study was ... -
Large magnetic entropy change and refrigeration capacity around room temperature in quinary Ni41Co9-xFexMn40Sn10 alloys (x= 2.0 and 2.5)
Sánchez Valdés, César Fidel (2020-06-05)We report the magnetocaloric properties of two Fe-containing quinary bulk polycrystalline alloys of nominal compositions Ni41Co7Fe2Mn40Sn10 and Ni41Co6.5Fe2.5Mn40Sn10 that were determined by indirect and direct methods. ... -
Large reversible magnetic entropy change in rapidly solidified Ni0.895Cr0.105MnGe1.05 melt-spun ribbons
Aryal, Anil (2018-06-01)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 of Ni48Co2Mn35In15 melt spun ribbons
Pandey, Sudip (2018-08-30)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 properties of GaAs:Mn self-assembled nanostructures grown at relatively high-temperature by Molecular Beam Epitaxy
del Rio-de Santiago, A. (2019-04-01)We report the influence of the Mn atomic concentration (at.%) on the nanostructures formation and magnetic properties of GaAs:Mn layers grown by Molecular Beam Epitaxy at a relatively high substrate temperature of 530 °C ...