Título
Large reversible magnetic entropy change in rapidly solidified Ni0.895Cr0.105MnGe1.05 melt-spun ribbons
Autor
Anil Aryal
Abdiel Quetz
CESAR FIDEL SANCHEZ VALDES
Pablos Jesús Ibarra Gaytán
Sudip Pandey
Igor Dubenko
JOSE LUIS SANCHEZ LLAMAZARES
Shane Stadler
Naushad Ali
Nivel de Acceso
Acceso Abierto
Identificador alterno
doi: https://doi.org/10.1016/j.intermet.2018.04.003
Materias
Resumen o descripción
"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 at room temperature. The as-quenched ribbons showed a second order magnetic transition at 192 ± 1 K at μoH = 5 mT. A magnetic-field-induced transition from an antiferromagnetic (AFM)-like to a ferromagnetic (FM) state of martensite structure was observed in annealed ribbons below the temperature of the martensitic transformation (TM ∼ 245 ± 1 K). The annealed ribbons undergo a first-order magnetostructural transition (MST) with a large maximum reversible magnetic entropy change of ΔSM = 16.1 J kg−1 K−1 (this is about a four-fold increase compared to the ΔSM observed for the bulk sample of the same nominal composition) and RC = 144 J kg−1 for μoΔH = 5 T at temperature T = TM ∼ 245 ± 1 K. The increase in the ΔSM peak value leads to an improved RC compared to that of the bulk sample (122 J kg−1). The observed MCE and quasi-reversible character of ΔSM at the MST illustrates the potential of Ni0.895Cr0.105MnGe1.05 ribbons for magnetic cooling technology."
Editor
Elsevier
Fecha de publicación
2018
Tipo de publicación
Artículo
Versión de la publicación
Versión enviada
Recurso de información
Formato
application/pdf
Sugerencia de citación
Anil Aryal, Abdiel Quetz, C.F. Sánchez-Valdés, P.J. Ibarra-Gaytán, Sudip Pandey, Igor Dubenko, J.L. Sánchez Llamazares, Shane Stadler, Naushad Ali, Large reversible magnetic entropy change in rapidly solidified Ni0.895Cr0.105MnGe1.05 melt-spun ribbons, Intermetallics, Volume 97, 2018, Pages 89-94.
Repositorio Orígen
Repositorio IPICYT
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