Tuning Magnetocaloric Effect in Ternary FeRh-Based Alloys by Slight Doping

This paper presents the results of measuring the structural, magnetic, and caloric properties of the (Fe,Ru)Rh alloy. This compound has demonstrated a new record of the reversible magnetocaloric effect ( | Δ T | ad under cycling = 7.1 K for B = 1.95 T ). We provide a classification of the results fo...

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Published in:Metallurgical and materials transactions. A, Physical metallurgy and materials science Physical metallurgy and materials science, 2023-10, Vol.54 (10), p.3683-3690
Main Authors: Komlev, Aleksei S., Makarin, Rodion A., Skokov, Konstantin P., Chirkova, Alisa M., Gimaev, Radel R., Zverev, Vladimir I., Baranov, Nikolai V., Perov, Nikolai S.
Format: Article
Language:English
Subjects:
Alloys
Brief Communication
Characterization and Evaluation of Materials
Chemistry and Materials Science
Crystal lattices
Doping
Electrons
Hypotheses
Magnetic fields
Magnetic properties
Materials Science
Metallic Materials
Nanotechnology
Phase transitions
Physics
Rhodium base alloys
Structural Materials
Surfaces and Interfaces
Temperature
Thin Films
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Summary:This paper presents the results of measuring the structural, magnetic, and caloric properties of the (Fe,Ru)Rh alloy. This compound has demonstrated a new record of the reversible magnetocaloric effect ( | Δ T | ad under cycling = 7.1 K for B = 1.95 T ). We provide a classification of the results for the family of FeRh-based compounds. The analysis of these results allows us to put forward the mechanisms that lead to a change in the magnetocaloric effect value at low doping.
ISSN:1073-5623
1543-1940
DOI:10.1007/s11661-023-07138-1