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Rietveld refined powder XRD pattern of HoCuSi at room temperature. The observed data are indicated by crosses, and the calculated profile is the continuous line overlying them. The short vertical lines indicate the angular positions of the Bragg peaks of HoCuSi. The lower curve shows the difference between the observed and calculated intensity.
(a) Temperature dependences of the ZFC and FC susceptibility for HoCuSi under a magnetic field of 0.01 T. The inset shows the inverse of the ZFC susceptibility as a function of temperature. (b) Temperature dependences of the magnetization under different magnetic fields.
(a) Magnetization isotherms of HoCuSi measured on increasing (solid squares) and decreasing field (open circles). The inset shows the magnetization isotherms at 3, 4, and 5 K in low field range. (b) Arrott plots of HoCuSi. The inset displays the Arrott plots at temperatures of 3 K, 4 K, and 5 K, respectively.
Temperature dependences of magnetic entropy change in HoCuSi for different magnetic field changes.
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