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The itinerant limit of metallic anisotropy

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1 Author(s)
Skomski, Ralph ; Max-Planck-Inst. fur Mikrostrukturphysik, Halle, Germany

The anisotropy contribution of itinerant electrons confined to a quantum-well potential is calculated and compared with the quasi-ionic contribution due to virtually bound electrons. The easy magnetization direction of the non-L-S quantum-well electrons lies in the plane, and the magnitude of the anisotropy, maximally of order 10 J/m3, is too weak to explain anisotropies encountered in practice. This means that itinerant 3d anisotropy in materials and thin films is associated with Hund's-rules-type ionic contributions

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Magnetics, IEEE Transactions on  (Volume:32 ,  Issue: 5 )