Abstract
A description of itinerant ferromagnetism is presented, which allows for a local exchange splitting without long range order. The five-fold degeneracy of thed-bands is contained in the model, the parameters of which may be determined from first principles by fitting a given bandstructure. The theory is applied to derive the magnetic transition temperature. Numerical results are presented forT c of Iron and Nickel in good agreement with experiment. The occurence of antiferromagnetism in Mn and Cr can also be understood in the framework of the theory presented here.
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Capellmann, H. Theory of itinerant ferromagnetism in the 3-d transition metals. Z Physik B 34, 29–35 (1979). https://doi.org/10.1007/BF01362776
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DOI: https://doi.org/10.1007/BF01362776