Dresden 2017 – wissenschaftliches Programm

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O: Fachverband Oberflächenphysik

O 60: Solid-Liquid Interfaces: Structure, Spectroscopy, Reactions and Electrochemistry

O 60.1: Poster

Dienstag, 21. März 2017, 18:30–20:30, P2-OG2

The spin-resolved electronic structure of Au(110) — •Katharina T. Ritter, Fabian Schöttke, and Markus Donath — Physikalisches Institut, Westfälische Wilhelms-Universität Münster

Materials with strong spin-orbit coupling are known to exhibit Rashba-split electronic band structures. To understand the basic concepts, Au(111) is a widely used prototypical system for a spin-split surface state around the Γ point. As on Au(111), the surface state on Au(110) originates from the L-gap, but exists at the Y point.

It is predicted that the Au(110) surface state around the Y point shows a spin-dependent splitting in energy and momentum. Only the spin-integrated dispersion of the electronic states has been experimentally investigated so far. Here, we present spin-resolved data using spin- and angle-resolved (inverse) photoemission for the Γ Y direction to reveal the spin texture of the Au(110) surface state.

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