Abstract
Experimental studies of the magnetic and magnetocaloric properties of the Laves phase of GdNi2 have been carried out in external static up to 3 T and pulsed up to 50 T magnetic fields. It has been found that in a magnetic field of 3 T the change in the magnetic entropy of the alloy reaches its maximum value ΔSm = −8 J/(kg K) in the vicinity of the Curie temperature TC = 73.6 K. The corresponding adiabatic temperature change in this case, calculated by an indirect method, is ΔTad ≈ 3 K. The maximum value of the adiabatic temperature change measured by the direct method in a pulsed magnetic field of 50 T at T0 = 77 K, was equal to ΔTad = 15 K, which agrees well with theoretical predictions.
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ACKNOWLEDGMENTS
The authors are grateful to the High Fields Laboratory (HLD) of the Helmholtz-Zentrum Dresden-Rossendorf (HZDR) for measurements in pulsed fields.
Funding
This work was supported by the Russian Science Foundation, project no. 22-22-20033.
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Utarbekova, M.V., Orshulevich, M.A., Kamantsev, A.P. et al. Magnetocaloric Effect in the Laves Phase of GdNi2 in Strong Magnetic Fields. J. Commun. Technol. Electron. 68, 441–446 (2023). https://doi.org/10.1134/S1064226923040113
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DOI: https://doi.org/10.1134/S1064226923040113