Abstract
The enormous research on magnetic properties of ultrathin films and nanostructures produces also new activities in the fundamental understanding of the magnetic anisotropy energy (MAE) and the anisotropy of the orbital magnetic moment/atom. The pseudomorphic growth of Fe, Co, Ni on metallic and non-metallic substrates can change the nearest neighbor distance by ≈ 0.05 Å. This small change in structure and symmetry increases the MAE by several orders of magnitude and lifts the quenching of the orbital moment. Increases of 20 30% of the orbital moment μL are observed. This experimental finding is confirmed by full relativistic ab initio calculations. Various experiments deliver the full temperature dependence of all MAE contributions. The temperature dependence remains a challenge for the theory in itinerant magnetism.
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Baberschke, K. (2001). Anisotropy in Magnetism. In: Baberschke, K., Nolting, W., Donath, M. (eds) Band-Ferromagnetism. Lecture Notes in Physics, vol 580. Springer, Berlin, Heidelberg. https://doi.org/10.1007/3-540-44610-9_3
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DOI: https://doi.org/10.1007/3-540-44610-9_3
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