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Dresden 2009 – scientific programme

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O: Fachverband Oberflächenphysik

O 60: Post Deadline Session followed by Surface Science "get-together"

O 60.2: Talk

Thursday, March 26, 2009, 20:15–20:30, HSZ 02

Localization of Electronic States within a Moiré Pattern — •Thiruvancheril G. Gopakumar, Nicolas Néel, Jörg Kröger, and Richard Berndt — Christian-Albrechts-Universität zu Kiel, D-24098 Kiel, Germany

Moiré patterns have been observed for various heteroepitaxial layers. Little is known about the electronic structure on a nanometre scale of these regular superlattices. We use a cryogenic scanning tunnelling microscope to probe the electronic properties of a moiré pattern observed from Co islands on Ag(111). Spatially resolved spectroscopy reveals that the moiré pattern gives rise to a striking localization of Co d-states. We use these states as an electronic template to guide the arrangement of magnetic molecules.

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