Magnetic order of FeMn alloy on the W(001) surface

Details Magnetic order of FeMn alloy on the W(001) surface Magnetic order of FeMn alloy on the W(001) surface

2006-12-14

arxiv.org/abs/cond-mat/0612366v1

Surface Science 601 (2007), 4261-4264

Physics

Condensed Matter

Materials Science

5 pages, 2 figures; presented at ECOSS 24, Paris, 2006

Scientific paper

10.1016/j.susc.2007.04.125

We investigate theoretically the ground state of the FeMn binary alloy monolayer on the W(001) surface, the stability of different magnetic configurations (ferro/antiferromagnetic, disordered local moments, etc.) and estimate concentrations at which a transition occurs between different magnetic orders. The tight-binding linear muffin-tin orbital method combined with the coherent potential approximation is used to treat the surface alloy appropriately. We discuss the role of disorder on the phase transitions in surface alloys composed from two different 3d transition metals.

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