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Temperature dependence of magnetization measured at 50 Oe applied field along (a) in-plane and (b) out-of-plane direction under ZFC [open circles] and FC [filled circles] conditions. Inset in (a) shows the first derivative of magnetization vs temperature where corresponds to the Néel temperature, and and being, Curie temperatures of and , respectively.
(a) Magnetic hysteresis loops recorded at 70 K in in-plane (circles) and out-of-plane (squares) orientation [the low field regime is shown in the inset], (b) and (c) isothermal magnetization curves at different temperatures under (b) in-plane and (c) out-of-plane configurations. Inset of (b) shows the variation of as a function of temperature.
Temperature dependence of magnetic-entropy change under (a) in-plane and (b) out-of-plane configurations, calculated from magnetization isotherms in the temperature range 50–165 K. The arrow mark shows that .
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