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Berlin 2008 – scientific programme

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O: Fachverband Oberflächenphysik

O 43: Poster Session II - MA 141/144 (Surface Spectroscopy on Kondo Systems; Frontiers of Surface Sensitive Electron Microscopy; Methods: Scanning Probe Techniques+Electronic Structure Theory+Other; Time-Resolved Spectroscopy of Surface Dynamics with EUV and XUV Radiation; joined by SYNF posters)

O 43.41: Poster

Tuesday, February 26, 2008, 18:30–19:30, Poster F

Time-, energy- and ANGLE-resolved photoelectron spectroscopy of surface dynamics using femtosecond XUV pulses — •Stefan Mathias1, Luis Miaja-Avila2, Margaret Murnane2, Henry Kapteyn2, Martin Aeschlimann1, and Michael Bauer31Department of Physics, TU Kaiserslautern, 67663 Kaiserslautern, Germany — 2JILA, University of Colorado, Colorado 80309-0440, USA — 3Institut für Experimentelle und Angewandte Physik, Christian-Albrechts-Universität zu Kiel, Germany

The angle resolved photoelectron spectroscopy (ARPES) has emerged as a leading technique in identifying static key properties of complex systems such as adsorbed molecules, ultrathin quantum-well films or high temperature superconductors. We present an experimental setup combining the ARPES technique with a pump-probe scheme for time-resolved measurements using a 1 kHz femtosecond XUV source [1]. The performance of the system with respect to time-, energy- and momentum-resolution will be discussed on the basis of ARPES spectra recorded with ultra short photon pulses of an energy of 42 eV. Furthermore, the potential of time-resolved ARPES to study surface dynamics in future experiments is considered.
S. Mathias, L. Miaja-Avila, M. Murnane, H. Kapteyn, M. Aeschlimann, M. Bauer, Rev. Sci. Instrum. 78, 083105 (2007)

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