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

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

2010-10-11

arxiv.org/abs/1010.2109v1

Physics

Condensed Matter

Mesoscale and Nanoscale Physics

19 pages, 6 figures

Scientific paper

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 is exponentially decaying 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.

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