Saturation magnetization near Tc shows that in the mean field approximation the saturation magnetization just below the Curie temperature has the dominant temperature dependence (Tc ? T)1/2. Assume the spin is ½. The result is the same as those for a second-order transition in a Ferro electric crystal the experimental data for Ferro magnets (Table 1) suggest that the exponent is closer to 0.33.
This question was answered on: Jul 11, 2017
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