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Time-resolved x-ray photoelectron spectroscopy at FLASH

Hellmann, S. ; Sohrt, C. ; Beye, M. ; Rohwer, T. ; Sorgenfrei, F. ; Marczynski-Buehlow, M. ; Kallaene, M. ; Redlin, H. ; Hennies, Franz LU and Bauer, M. , et al. (2012) In New Journal of Physics 14.
Abstract
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.
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organization
publishing date
type
Contribution to journal
publication status
published
subject
in
New Journal of Physics
volume
14
article number
013062
publisher
IOP Publishing
external identifiers
  • wos:000300414400005
  • scopus:84856442044
ISSN
1367-2630
DOI
10.1088/1367-2630/14/1/013062
language
English
LU publication?
yes
id
bfb68b3f-a5a9-488f-bf57-b165e60bc288 (old id 2409590)
date added to LUP
2016-04-01 14:07:07
date last changed
2022-01-27 22:50:20
@article{bfb68b3f-a5a9-488f-bf57-b165e60bc288,
  abstract     = {{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.}},
  author       = {{Hellmann, S. and Sohrt, C. and Beye, M. and Rohwer, T. and Sorgenfrei, F. and Marczynski-Buehlow, M. and Kallaene, M. and Redlin, H. and Hennies, Franz and Bauer, M. and Foehlisch, A. and Kipp, L. and Wurth, W. and Rossnagel, K.}},
  issn         = {{1367-2630}},
  language     = {{eng}},
  publisher    = {{IOP Publishing}},
  series       = {{New Journal of Physics}},
  title        = {{Time-resolved x-ray photoelectron spectroscopy at FLASH}},
  url          = {{http://dx.doi.org/10.1088/1367-2630/14/1/013062}},
  doi          = {{10.1088/1367-2630/14/1/013062}},
  volume       = {{14}},
  year         = {{2012}},
}