Room temperature magnetocaloric effect and electrical transport properties of Co 50 Fe 7 V 25 Ga 18 Heusler alloys undergoing martensitic transformation
Journal of Alloys and Compounds, ISSN: 0925-8388, Vol: 948, Page: 169573
2023
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Article Description
The metamagnetic martensitic transformation from the ferromagnetic austenite phase to the paramagnetic martensite phase was excited in the Co 50 Fe 7 V 25 Ga 18 Heusler alloy near room temperature. Accompanying the transformation, the alloy exhibits a good magnetocaloric effect near room temperature with a cooling capacity of 17.02 J/kg under 3 T magnetic field at 302 K and the cusp-type anomalous of the resistivity with the magnetoresistance effect of ∼ 2.27% under a 3 T magnetic field. The power law equations for the temperature dependence of resistivity indicates the actuality of half-metallic properties. Our experimental results indicate that Co 50 Fe 7 V 25 Ga 18 Heusler alloy is likely to become a potential candidate for room-temperature magnetic refrigeration and magnetic sensors applications.
Bibliographic Details
http://www.sciencedirect.com/science/article/pii/S0925838823008769; http://dx.doi.org/10.1016/j.jallcom.2023.169573; http://www.scopus.com/inward/record.url?partnerID=HzOxMe3b&scp=85150383737&origin=inward; https://linkinghub.elsevier.com/retrieve/pii/S0925838823008769; https://dx.doi.org/10.1016/j.jallcom.2023.169573
Elsevier BV
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