Finite electric field effects in the large perpendicular magnetic anisotropy surface Pt/Fe/Pt(001)
arXiv:0905.0060 · doi:10.1103/PhysRevLett.102.247203
Abstract
We have investigated crystalline magnetic anisotropy in the electric field (EF) for the Fe-Pt surface which have a large perpendicular anisotropy, by means of the first-principles approach. The anisotropy is reduced linearly with respect to the inward EF, associated with the induced spin density around the Fe layer. Although the magnetic anisotropy energy (MAE) density reveals the large variation around the atoms, the intrinsic contribution to the MAE is found to mainly come from the Fe layer.
9 pages, 3 figures
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