Heat capacity of gadolinium near the Curie temperature.
Geldart, D. J. W.
White, Mary Anne
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High-resoln. ac calorimetric data near the Curie point are reported for several single crystals of gadolinium. The crit. temp. and the shape of the heat-capacity curve near Tc both depend on the sample-prepn. procedure, including heat treatments. The heat-capacity data are analyzed in terms of predictions of renormalization-group theory. This anal. shows that the crit. behavior of Gd is consistent with the picture of a complex crit. behavior consisting of a series of crossovers dictated by the interplay between short-range and magnetic-dipolar interactions.
Bednarz, Grzegorz, D. J. W. Geldart, and Mary Anne White. 1993. "Heat capacity of gadolinium near the Curie temperature.." Physical Review B: Condensed Matter and Materials Physics 47(21): 14247-14259. Copyright © 1993 American Physical Society.