Magnetic and magnetocaloric properties of Dy<sub>1−<i>x</i></sub>Er<sub><i>x</i></sub>Ni<sub>2</sub> solid solutions and their promise for hydrogen liquefaction
J. Ćwik, Yu. S. Koshkid’ko, K. P. Shinde, Joon Sik Park, N.A. de Oliveira, Michał Babij, Agata Czernuszewicz
Abstract
The Δ T ad values are high and reach their maximum within a narrow temperature range below 20 K. This indicates that Dy 1− x Er x Ni 2 solid solutions may be a viable option for refrigerants in magnetic cryocoolers suitable for hydrogen liquefaction.
Topics & Concepts
Magnetic refrigerationMaterials scienceLiquefactionRefrigerantHydrogenSolid solutionAtmospheric temperature rangeCryocoolerSpin isomers of hydrogenSolid hydrogenThermodynamicsCondensed matter physicsPhysical chemistryMetallurgyMagnetic fieldMagnetizationPhysicsChemistryOrganic chemistryGas compressorQuantum mechanicsMagnetic and transport properties of perovskites and related materialsMagnetic Properties of AlloysRare-earth and actinide compounds