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@ARTICLE{Schick:901911,
author = {Schick, Daniel and Borchert, Martin and Braenzel, Julia and
Stiel, Holger and Tümmler, Johannes and Bürgler, Daniel E.
and Firsov, Alexander and von Korff Schmising, Clemens and
Pfau, Bastian and Eisebitt, Stefan},
title = {{L}aser-driven resonant magnetic soft-x-ray scattering for
probing ultrafast antiferromagnetic and structural dynamics},
journal = {Optica},
volume = {8},
number = {9},
issn = {2334-2536},
address = {Washington, DC},
publisher = {OSA},
reportid = {FZJ-2021-03898},
pages = {1237 -},
year = {2021},
abstract = {Time-resolved resonant magnetic scattering in the
soft-x-ray range is a powerful tool for accessing the
spatially resolved and element-specific spin dynamics in
magnetic materials. So far, the application of this
photon-demanding technique was limited to large-scale
facilities. However, upgrades to diffraction-limited storage
rings supporting only x-ray pulses beyond 100 ps, and the
shift of x-ray free-electron lasers toward attosecond pulses
aggravate the competition for beamtime in the picosecond
time window, which is of utmost relevance for magnetism
research. Here we present the development of a lab-based
instrument providing sufficient photon flux up to 1.5 keV
photon energy covering the soft-x-ray resonances of
transition and rare-earth metal atoms. Our setup features
the mandatory tunability in energy and reciprocal space in
combination with sub-10 ps temporal resolution, exploiting
the broadband emission of a laser-driven plasma x-ray
source, which is monochromatized to about 1 eV bandwidth by
a reflection zone plate. We benchmark our approach against
accelerator-based soft-x-ray sources by simultaneously
probing the laser-induced magnetic and structural dynamics
from an antiferromagnetically coupled Fe/Cr superlattice.
Our development lays the foundation for laser-driven
resonant scattering experiments to study ultrafast ordering
phenomena of charges, spins, and orbitals.},
cin = {PGI-6},
ddc = {620},
cid = {I:(DE-Juel1)PGI-6-20110106},
pnm = {5214 - Quantum State Preparation and Control (POF4-521)},
pid = {G:(DE-HGF)POF4-5214},
typ = {PUB:(DE-HGF)16},
UT = {WOS:000698524000016},
doi = {10.1364/OPTICA.435522},
url = {https://juser.fz-juelich.de/record/901911},
}