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(Color online) (a) Temperature dependence of zero-field-cooled susceptibility of for different applied magnetic fields (0.1, 0.3, 0.4, 0.5, 1, and ). (b) Magnetization as a function of magnetic field at different constant temperatures. For the sake of clarity, the magnetization data are shown for some selected temperatures. (c) log-log vs plot of isotherms. (d) Magnetization hysteresis curve at in full scale (up to ). Inset: magnetization hysteresis curve at in lower magnetic field region.
(Color online) Isothermal magnetic entropy change of as a function of temperature for magnetic field changes up to . Inset: plot of maximum value of entropy change as a function of magnetic field.
(Color online) Temperature dependence of the adiabatic temperature change of . Inset: zero-field heat capacity as a function of temperature.
The maximum values of magnetocaloric parameters ( and ) under for various giant magnetocaloric materials including (This work) exhibiting different types of FOMT. Order-to-order FOMT is denoted as o-to-o and disorder-to-order FOMT is denoted as d-to-o.
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