Regensburg 2016 – wissenschaftliches Programm
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DF: Fachverband Dielektrische Festkörper
DF 4: Photovoltaics (HL with DF)
DF 4.5: Vortrag
Montag, 7. März 2016, 16:00–16:15, H2
VUV Pump-Probe Magneto-optical Ellipsometry at ELI Beamlines — •Shirly J. Espinoza-Herrera1, Bastian Besner2, Jakob Andreasson1, and Michael A. Ruebhausen2 — 1ELI Beamlines Project, Institute of Physics of the ASCR, 252 41 Dolní Břežany, Czech Republic — 2Institut fuer Nanostruktur- und Festkoerperforschung, Center for Free-Electron Laser Science, Advanced Study Group APOG, University of Hamburg, Luruper Chaussee 149, 22761 Hamburg, Germany
A new ellipsometer that is capable of measuring in one run the dielectric function of solid states samples from the IR and the VUV spectral range is being set up at ELI beamlines. ELI is a pillar of the transnational European Extreme Light Infrastructure (ELI) that will hold some of the most intense lasers in the world. The Center for Free Electron Laser in Hamburg is joining this European effort and the work presented here is the development of the pump-probe VUV ellipsometer that will allow the study of materials out of the Fermi level, testing the established tradition of condensed matter physics where most of the phenomena observed are driven the physics close to the Fermi level. Results showing the coupling between the low and high energy levels of freedoms on the case of STO and LAO will be presented.