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Artículo
The magnetocaloric effect in materials with a second order phase transition: Are T C and T peak necessarily coincident?
(AIP Publishing, 2009)
Using the Arrott–Noakes equation of state it is shown that the Curie point TC and the temperature where the magnetic entropy change is maximum Tpeak coincide only in the mean field approximation, but the Heisenberg ...
Artículo
Field dependence of the adiabatic temperature change in second order phase transition materials: Application to Gd
(AIP Publishing, 2009-11-19)
The field dependence of the adiabatic temperature change LlTad of second order phase transition materials is studied, both theoretically and experimentally. Using scaling laws, it is demonstrated that, at the Curie ...