Regensburg 2016 – wissenschaftliches Programm
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O: Fachverband Oberflächenphysik
O 48: Electronic Structure: Surface Magnetism and Spin Phenomena
O 48.7: Poster
Dienstag, 8. März 2016, 18:15–20:30, Poster E
Spin filtering in Bi superstructures on a Au(111) surface — Sebastian Jakobs1,2, •Dominik Jungkenn1, Christian Tusche3, Jürgen Kirschner3, Benjamin Stadtmüller1, Mirko Cinchetti1, Stefan Mathias4, and Martin Aeschlimann1 — 1Department of Physics and Research Center OPTIMAS, University of Kaiserslautern, Erwin-Schrödinger-Str 46, 67663 Kaiserslautern, Germany — 2Graduate School of Excellence Materials Science in Mainz, Erwin Schroedinger Straße 46, 67663 Kaiserslautern, Germany — 3Max-Planck-Institut für Mikrostrukturphysik, Weinberg 2, 062120 Halle/Saale, Germany — 4I. Physikalisches Institut, Georg-August-Universität Göttingen, Friedrich-Hund-Platz 1, 37077 Göttingen, Germany
Spin dependent scattering of electrons at interfaces is one of the most relevant microscopic processes that determine the performance of spintronics devices. However, the scattering process itself is hard to address experimentally. Here, we use spin-resolved momentum microscopy to investigate the scattering of photoelectrons from a Au(111) surface on Bi superstructures. We will show that the Bi/Au(111) interface constitutes a simple model system to understand spin dependent electron scattering processes on the microscopic level, since the spin polarization changes with the number and direction of scattering events.