Magnetism in systems with various dimensionality: A comparison between Fe and Co

Details Magnetism in systems with various dimensionality: A comparison between Fe and Co Magnetism in systems with various dimensionality: A comparison between Fe and Co

2003-04-17

arxiv.org/abs/cond-mat/0304395v1

Physics

Condensed Matter

Materials Science

4 pages

Scientific paper

10.1103/PhysRevB.68.052402

A systematic ab initio study is performed for the spin and orbital moments and for the validity of the sum rules for x-ray magnetic circular dichroism for Fe systems with various dimensionality (bulk, Pt-supported monolayers and monatomic wires, free-standing monolayers and monatomic wires). Qualitatively, the results are similar to those for the respective Co systems, with the main difference that for the monatomic Fe wires the term in the spin sum rule is much larger than for the Co wires. The spin and orbital moments induced in the Pt substrate are also discussed.

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