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Journal of Materials Science
Erschienen in: Journal of Materials Science 11/2016

26.02.2016 | Original Paper

Magnetic properties and large magnetocaloric effect in Ho2Cu2In and Ho2Au2In compounds

verfasst von: Lingwei Li, Yalin Yi, Kunpeng Su, Yang Qi, Dexuan Huo, Rainer Pöttgen

Erschienen in: Journal of Materials Science | Ausgabe 11/2016

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Abstract

The magnetic and magnetocaloric properties of Ho2Cu2In and Ho2Au2In have been investigated. A second-order magnetic phase transition from a paramagnetic to a ferromagnetic state was observed for Ho2Cu2In and Ho2Au2In at Curie temperatures of T C ~ 30 and 21 K, respectively. An additional magnetic transition at 8 K was also observed for Ho2Au2In which is probably related to a spin reorientation phenomenon. A large reversible magnetocaloric effect was observed for both compounds. The maximum values of magnetic entropy change (−ΔS M max ) are 21.9 and 15.8 J/kg K under a field change of 0–7 T for Ho2Cu2In and Ho2Au2In, with the values of the relative cooling power of 638 and 490 J/kg, respectively.
Vorheriger Artikel A degradation column for organic dyes based on a composite of CuFeS2 nanocrystals and sawdust
Nächster Artikel Synthesis and luminescent properties of red-emitting Eu3+-activated Ca0.5Sr0.5MoO4 phosphors

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Metadaten
Titel
Magnetic properties and large magnetocaloric effect in Ho2Cu2In and Ho2Au2In compounds
verfasst von
Lingwei Li
Yalin Yi
Kunpeng Su
Yang Qi
Dexuan Huo
Rainer Pöttgen
Publikationsdatum
26.02.2016
Verlag
Springer US
Erschienen in
Journal of Materials Science / Ausgabe 11/2016
Print ISSN: 0022-2461
Elektronische ISSN: 1573-4803
DOI
https://doi.org/10.1007/s10853-016-9845-3

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