3d-4f spin interaction and field-induced metamagnetism in RCrO4 (R = Ho, Gd, Lu) compounds
作者： A. Midya , N. Khan , D. Bhoi , P. Mandal
DOI: 10.1063/1.4861680
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摘要: We observe that the zircon-type RCrO4 (R = Ho, Gd, Lu) compounds exhibit complicated magnetic properties and large entropy change due to strong competition between ferromagnetic antiferromagnetic interactions. For a field of 7 T, maximum values refrigerant capacity reach 28 J kg−1 K−1 740 J kg−1, respectively, for GdCrO4 whereas corresponding HoCrO4 are 29 J kg−1 K−1 550 J kg−1. compound, is quite even at low temperatures well below transition.
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