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Temperature dependences of the ZFC and the FC magnetization for ErGa under a magnetic field of 0.01 T, where the inset shows the thermomagnetic curve and its curve under a field of 0.4 T (a). Temperature dependences of the magnetization of ErGa under magnetic fields of 1, 2, 3, and 5 T, where the inset shows the corresponding curves (b).
Magnetization isotherms of ErGa in a temperature range of 3–50 K in different temperature steps (a) and Arrott plots of ErGa from 13–33K with a temperature step of 2K (b).
Temperature dependences of the heat capacity for ErGa under magnetic fields of 0, 1, 2, and 5 T, where the inset shows the field dependence of SR temperature obtained from the heat capacity and the magnetic measurements, respectively.
Temperature dependences of magnetic entropy change calculated from magnetizations and heat capacity data for field changes of 0–2 and 0–5 T, respectively.
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