Observation of Griffiths-like phase in Y2CrMnO6 perovskites

2020 
Abstract Temperature-dependent magnetic measurements indicate a magnetic transition (TC) at 33 K in monoclinic Y2CrMnO6. The presence of different cations Cr 2+, Cr3+, Mn3+, and Mn4+ leads to incompatible magnetic interactions in the material. The Curie-Weiss (CW) fit of the magnetic susceptibility suggests that antiferromagnetic interactions are prominent in the material and the deviation of the susceptibility from the CW law near above the TC hints the presence of a Griffiths-like phase due to ferromagnetic short-range interactions up to the Griffiths temperature, TG = 98 K.
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