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Time-dependent heat capacity of Mn12 clusters
Sales i Pardo, Marta; Hernández Ferràs, Joan Manel; Tejada Palacios, Javier; Martínez, J. L.
Universitat de Barcelona
In this paper we discuss both theoretical and experimental results on the time dependence of the heat capacity of oriented Mn12 magnetic clusters when a magnetic field is applied along their easy axis. Our calculations are based on the existence of two contributions. The first one is associated with the thermal populations of the 21 different Sz levels in the two potential wells of the magnetic uniaxial anisotropy and the second one is related to the transitions between the Sz levels. We compare our theoretical predictions with experimental data on the heat capacity for different resolution times at different fields and temperatures.
Calor específica
Specific heat
(c) The American Physical Society, 1999
The American Physical Society

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