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Thermal dependence of (a) the magnetization under various applied magnetic fields and (b) the real part of the ac susceptibility in the frequency range.
Hysteresis loops of at 240, 210, 150, and .
Temperature dependence of the magnetic entropy change of .
Field dependence of (a) the RCP for the high and low temperature peaks, (b) the MRC (Wood and Potter), and (c) the cooling capacity in the temperature range. In each case, the data for (diamonds) are compared with those available in literature concerning Gd (squares) and the other best known magnetic refrigerants (MRs) working around room temperature (triangles or arrows for delimiting their RC range). The data were taken from Refs. 1–3 and 8. Note that their cooling capacities in (c) were computed for (see Fig. 13 of Ref. 3).
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