铂（111）在钴纳米带附近的自旋极化
Spin-polarization of platinum (111) induced by the proximity to cobalt nanostripes
摘要：
我们用自旋极化扫描隧道谱测量了Co纳米带附近Pt（111）表面上的自旋极化。自旋极化远离Pt/Co界面呈指数衰减，并且在大于1 nm的距离处可检测到。通过对相关模型系统的电子结构进行自洽从头计算，揭示了Pt表面内的感应磁矩与表面上自旋分辨的电子态密度之间的相互作用。
英文摘要：
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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