Spin polarization of platinum (111) induced by the proximity to cobalt nanostripes

Meier, F:; Wiebe, J.; Zhou, L.; Dederichs, P.H.; Lounis, S.; Blügel, S.; Mavropoulos, Ph.; Wiesendanger, R.; Heers, S.

doi:10.1103/PhysRevB.83.075407

Journal Article

Spin polarization of platinum (111) induced by the proximity to cobalt nanostripes

Meier, F. ; Lounis, S.FZJ* ; Wiebe, J. ; Zhou, L. ; Heers, S.FZJ* ; Mavropoulos, P.FZJ* ; Dederichs, P. H.FZJ* ; Blügel, S.FZJ* ; Wiesendanger, R.

2011
APS College Park, Md.

Physical review / B 83(7), 075407 (2011) [10.1103/PhysRevB.83.075407]

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Please use a persistent id in citations: http://hdl.handle.net/2128/10943 doi:10.1103/PhysRevB.83.075407

Abstract: We measured a spin polarization above a Pt(111) surface in the vicinity of a Co nanostripe by spin-polarized scanning tunneling spectroscopy. The spin polarization exponentially decays away from the Pt-Co interface and is detectable at distances larger than 1 nm. By performing self-consistent ab initio calculations of the electronic structure for a related model system we reveal the interplay between the induced magnetic moments within the Pt surface and the spin-resolved electronic density of states above the surface.

Keyword(s): J

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Physics, Condensed Matter

Note: We acknowledge financial support from the SFB 668 and GrK 1286 of the DFG, from the ERC Advanced Grant FURORE, and from the Cluster of Excellence "Nanospintronics" funded by the Forschungs- und Wissenschaftsstiftung Hamburg. S. L. wishes to thank the Alexander von Humboldt Foundation for a Feodor Lynen Fellowship and thanks D. L. Mills for discussions and hospitality. The computations were performed on the supercomputer JUROPA at the Forschungszentrum Julich.

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