Heat capacity of gadolinium near the Curie temperature
Geldart, D. J. W.
White, M. A.
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High-resolution AC calorimetric data near the Curie point are reported for several single crystals of gadolinium. The critical temperature and the shape of the heat-capacity curve near Tc both depend on the sample-preparation procedure, including heat treatments. The heat-capacity data are analyzed in terms of predictions of renormalization-group theory. This analysis shows that the critical behavior of Gd is consistent with the picture of a complex critical behavior consisting of a series of crossovers dictated by the interplay between short-range and magnetic-dipolar interactions
Bednarz, G., D. J. W. Geldart, and M. A. White. 1993. "Heat capacity of gadolinium near the Curie temperature." Physical Review B (Condensed Matter) 47(21): 14247-59. Copyright © 1993 American Physical Society.