A calculation of magnetic properties of Fe3Pt alloys
- 1 December 1983
- journal article
- Published by IOP Publishing in Journal of Physics F: Metal Physics
- Vol. 13 (12) , 2677-2684
- https://doi.org/10.1088/0305-4608/13/12/021
Abstract
Densities of states of disordered and ordered ferromagnetic Fe3Pt alloys are calculated in the tight-binding d-band model with intra-atomic Coulomb interaction by making use of the coherent potential approximation for disordered alloys and the recursion method for ordered alloys. Magnetic properties such as the magnetisation, local magnetic moments low-temperature specific heat coefficient and spontaneous volume striction are calculated and compared with experiment. It is found that both the ordered and disordered Fe3Pt alloys are strong ferromagnets and that the ground-state properties can be explained by the Hartree-Fock approximation.Keywords
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