YbPd2In: A promising candidate for strong entropy accumulation at very low temperature
- Gastaldo, F.
- Gabáni, S.
- Džubinská, A.
- Reiffers, M.
- Pristáš, G.
- Curlík, Ivan
- Skyba, P.
- Clovecko, M.
- Vavrek, F.
- Sereni, Julian Gustavo Renzo
- Giovannini, M.
DOIAbstract
We report on synthesis, crystal structure, magnetic, thermodynamic, and transport properties of the compound YbPd2In, crystallizing as a Heusler structure type. A trivalent state of the rare earth was determined by fitting the magnetic susceptibility with a Curie-Weiss law. This compound is characterized by showing very weak magnetic interactions and a negligible Kondo effect. A specific-heat jump was observed at T≈250mK, followed at higher temperature by a power-law decrease of CP(T)/T. The resulting large electronic entropy increase at very low temperature is rapidly shifted to higher temperature by the application of magnetic field. This magnetocaloric effect places YbPd2In as a very good candidate for adiabatic demagnetization cooling p...
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