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Large Magnetocaloric Effect in Nd2Ni2In

Publikace na Matematicko-fyzikální fakulta |
2014

Tento text není v aktuálním jazyce dostupný. Zobrazuje se verze "en".Abstrakt

Nd2Ni2 In is an antiferromagnet (T-N = 8 K) with crystal structure equivalent to the Shastry-Sutherland lattice, possibly leading to the magnetic frustration. The AF coupling with moments in the basal plane can be driven by weak magnetic fields (< 0.2 T) into the c-axis ferromagnet.

The situation leads to large changes of magnetic entropy in fields below 1 T, which makes Nd2Ni2 In a candidate for magnetocaloric applications. The entropy change is 9.6 J/(kg K) in fields of 1 T.