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Large and reversible elastocaloric effect near room temperature in a Ga-doped Ni–Mn–In metamagnetic shape-memory alloy
JUAN PABLO RAMON CAMARILLO GARCIA
CHRISTIAN OMAR AGUILAR ORTIZ
HORACIO FLORES ZUÑIGA
DAVID RIOS JARA
DANIEL ENRIQUE SOTO PARRA
Lluis Mañosa
Antoni Planes
Acceso Abierto
Atribución-NoComercial-SinDerivadas
https://doi.org/10.1142/S1793604717400070
Heusler materials
Ni-Mn-In(Ga)
Elastocaloric effect
"We report a giant elastocaloric effect near room temperature in a polycrystalline Ga-doped Ni-Mn-In ferromagnetic shape-memory alloy. The elastocaloric effect has been quantified by measuring both isothermal stress-induced entropy changes and adiabatic stress-induced temperature changes. A reproducible maximum entropy change,Delta S-rev similar or equal to 25 J . K-1 . kg(-1), upon cycling across the martensitic transition was obtained by application of a compressive stress of 100MPa. The corresponding maximum amount of cooling, Delta T-adi similar or equal to -4.9K, was measured when this stress was rapidly removed. These values are comparable with those reported for giant magnetocaloric materials, which are induced by application and release of a high magnetic field. Therefore, the studied material is a good candidate to be used in solid-state refrigeration devices based on the elastocaloric effect."
World Scientific Publishing Company
2017-02
Artículo
Juan-Pablo Camarillo et al, Funct. Mater. Lett. 10, 1740007 (2017) [6 pages] https://doi.org/10.1142/S1793604717400070
TECNOLOGÍA DE MATERIALES
Versión revisada
submittedVersion - Versión revisada
Aparece en las colecciones: Publicaciones Científicas Nanociencias y Materiales

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