Magnetic moments and coordination symmetry in bcc Fe-M alloys
- 15 February 1985
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review B
- Vol. 31 (4) , 2521-2523
- https://doi.org/10.1103/physrevb.31.2521
Abstract
A directed valence analysis of metalloid (M) atoms in various structures has been performed and discussed in terms of the ligand p-d bond model. It is shown that p-d bonding cannot have a direct effect on the moment of Fe atoms in bcc Fe-M alloys, whereas in most other transition-metal–metalloid (T-M) structures with ferromagnetic T atoms as solvents, it is shown that p-d bonding can reduce the moments of the T atoms. The small moment variations in bcc Fe-M alloys could be caused instead by variations in the intraband exchange splitting, as a result of changes in the lattice constant.Keywords
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