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Finite temperature magnetism in Gd: evidence against a Stoner behavior
K Maiti1, M C Malagoli, A Dallmeyer
1Institut für Festkörperforschung, Forschungszentrum Jülich, D-52428 Jülich, Germany.
Physical Review Letters
|April 17, 2002
Abstract:
The temperature dependence of the rare-earth valence bands has been regarded as a realization of the Stoner behavior. The exchange splitting of the electronic states appears to scale as the magnetic order parameter for T