Listar IIT por autor "0000-0002-6522-8810"
Mostrando ítems 21-40 de 55
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Estudio del efecto magnetocalórico asociado a la transformación magneto-elástica en aleaciones Rh-Fe y Mn-Cr-Sb
Sánchez Valdés, César Fidel (2022-10-10)Este es el informe técnico correspondiente a la etapa 3 del proyecto A1-S-37066 de Ciencia Básica, financiado por la SEP- CONACYT. -
Estudio del efecto magnetocalórico asociado a la transformación magneto-elástica en aleaciones Rh-Fe y Mn-Cr-Sb
Sánchez Valdés, César Fidel (2023-10-12)Este es el informe técnico final correspondiente a la etapa 3 (años 2021-2022) con prórroga (año 2022-2023) del proyecto A1-S-37066 de Ciencia Básica, financiado por la SEP- CONACYT. -
Estudio del efecto magnetocalórico asociado a la transformación magneto-elástica en aleaciones Rh-Fe y MnCr-Sb
Sánchez Valdés, César Fidel (2020-10-28)Este es el informe técnico correspondiente a la etapa 1 (de los años 2020-2019) del proyecto A1-S-37066 de Ciencia Básica, financiado por la SEP-CONACYT. -
Estudios computacionales de la estructura electrónica y sus propiedades efectivas por la teoría funcional de densidad
Ramos Murillo, Manuel Antonio (2023-08-27) -
gestión de convenio
Sánchez Valdés, César Fidel -
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 ... -
Magnetocaloric effect in ErNi2 melt-spun ribbons
Sanchez Llamazares, J.L. (2019-08-17)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 ... -
Magnetoelastic transition and magnetocaloric effect in induction melted Fe100-xRhx bulk alloys with x = 50, 51
Sánchez Valdés, César Fidel; Arreguín-Hernández, M.L.; Sánchez Llamazares, J.L.; Ríos-Jara, D.; Pecharsky, V.K.; Blinov, M.I.; Prudnikov, V.N.; Kovalev, B.B.; Zverev, V.I.; Tishin, A.M. (2021-03-23)Magnetoelastic transitions (METs) in bulk in nearly equiatomic Fe-Rh alloys produced by arc melting may show poor reproducibility related to insufficient chemical homogeneity and presence of impurity phases in variable ... -
Magnetostructural transition and magnetocaloric effect in thermally annealed Mn0.5Fe0.5NiSi0.945Al0.055 melt-spun ribbons
Sánchez Valdés, César Fidel; Arreguín-Hernández, M.L.; Sánchez-Llamazares, J. L. (2021-04-19)Were fabricated melt-spun ribbons of the quinary alloy Mn0.5Fe0.5NiSi0.945Al0.055. After an annealing time of 4 h at temperatures between 1073 K and 1223 K, samples underwent a martensitic-like magnetostructural transformation ... -
Magnetostructural transition and magnetocaloric effect in thermally annealed Mn0.5Fe0.5NiSi1-xAlx melt- spun ribbons (x= 0.055 and 0.060)
Sánchez Valdés, César Fidel; Arreguin Hernandez, Maria; Dzubinska, Andrea; Reiffers, Marian; Sanchez, Jose; Varga, Rastislav (AIP Publishing, 2022-11-04)The giant magnetocaloric (MC) effect measured in Mn0.5Fe0.5NiSi1-xAlx alloys ( 0.05 < x < 0.07) for a low magnetic field change (|ΔSM|max ~16-24 Jkg-1K-1 at 2 T) [1], and the fact that they are based on cheap and abundant ... -
Magnetostructural transition and magnetocaloric effect in thermally annealed Mn0.5Fe0.5NiSi1-xAlx melt-spun ribbons (x= 0.055 and 0.060)
Sánchez Valdés, César Fidel; Arreguin Hernández, M.L.; Dzubinska, A.; Reiffers, M.; Sánchez Llamazares, J. L.; Varga, R. (2023-02-08)Melt-spun ribbons samples of the multicomponent alloy Mn0.5Fe0.5NiSi0.940Al0.060 were prepared and the magnetostructural transition (MST) and related magnetocaloric properties studied for as-solidified ribbons and ribbon ... -
Magnetostructural transitions and magnetocaloric effects in Ni50Mn35In14.25B0.75 Ribbons
Pandey, Sudip (2018-01-12)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 ...