Thermodynamic properties of nickel near the Curie temperature
- 1 September 1969
- journal article
- Published by IOP Publishing in Journal of Physics C: Solid State Physics
- Vol. 2 (9), 1647-1652
- https://doi.org/10.1088/0022-3719/2/9/314
Abstract
The magnetic equation of state proposed by Kouvel and Comly for nickel near Tc is applied to the calculation of the specific heat in a magnetic field and the magnetocaloric effect. An expansion about the critical isotherm is used for similar calculations at Tc. The experimental results for nickel are compared with those calculated. The difference in specific heats in two high fields agrees well with observation, but the specific heat in zero field does not agree so well, perhaps because of experimental difficulties. The calculated magnetocaloric effect agrees very well with observation, whereas it differs very markedly from the results based on molecular field theory.Keywords
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