Regensburg 2013 – wissenschaftliches Programm
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O: Fachverband Oberflächenphysik
O 36: Poster Session II (Organic films and electronics, photoorganics; Nanostructures; Plasmonics and nanooptics, Surface chemical reactions and heterogeneous catalysis, Surface dynamics )
O 36.88: Poster
Dienstag, 12. März 2013, 18:15–21:45, Poster B2
Details in the short-time response of the photo-induced CDW phase transition of 1T-TiSe2 measured with femtosecond XUV photoemission — •S. Eich1, J. Urbancic1, M. Wiesenmayer1, A.V. Carr2, A. Ruffing1, S. Jakobs1, S. Hellmann3, T. Rohwer3, M.M. Murnane2, H.C. Kapteyn2, L. Kipp3, K. Rossnagel3, M. Bauer3, S. Mathias1, and M. Aeschlimann1 — 1TU Kaiserslautern and Research Center OPTIMAS, 67663 Kaiserslautern, Germany — 2JILA, University of Colorado and NIST, Boulder, Colorado 80309-0440, USA — 3Institute of Experimantal and Applied Physics, University of Kiel, 24098 Kiel, Germany
We use time- and angle-resolved photoemission spectroscopy (trARPES) with sub 150 meV energy and sub 30 fs time-resolution to study the photo-induced phase transition in the charge-density wave compound 1T-TiSe2 [1]. The improved energy-resolution in comparison to our previous studies does now allow us to disentangle more details in the short-time response of this charge-density wave compound to an ultrafast laser excitation.
Rohwer et al., Nature 471,490 (2011)