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| Title | Time-resolved x-ray photoelectron spectroscopy at FLASH |
| Author/s | S. Hellmann, C. Sohrt, M. Beye, T. Rohwer, F. Sorgenfrei, M. Marczynski-Buehlow, M. Kallaene, H. Redlin, Franz Hennies, M. Bauer, A. Foehlisch, L. Kipp, W. Wurth, K. Rossnagel |
| Department/s |
Max-laboratory
|
| Full-text | Full text is not available in this archive |
| Alternative location (URL) | http://dx.doi.org/10.1088/1367... |
| Publication/Series | New Journal of Physics |
| Publishing year | 2012 |
| Volume | 14 |
| Pages | 013062 - |
| Document type | Journal article |
| Status | published |
| Quality controlled | yes |
| Language | English |
| Publisher | IOP Publishing Ltd |
| Abstract English | The technique of time-resolved pump-probe x-ray photoelectron spectroscopy using the free-electron laser in Hamburg (FLASH) is described in detail. Particular foci lie on the macrobunch resolving detection scheme, the role of vacuum space-charge effects and the synchronization of pump and probe lasers. In an exemplary case study, the complete Ta 4f core-level dynamics in the layered charge-density-wave (CDW) compound 1T-TaS2 in response to impulsive optical excitation is measured on the sub-picosecond to nanosecond timescale. The observed multi-component dynamics is related to the intrinsic melting and reformation of the CDW as well as to extrinsic pump-laser-induced vacuum space-charge effects. |
| Subject |
Physics and Astronomy |
| ISBN/ISSN/Other |
ISSN: 1367-2630 |
