This title appears in the Scientific Report :
2021
Please use the identifier:
http://dx.doi.org/10.1364/OPTICA.435522 in citations.
Laser-driven resonant magnetic soft-x-ray scattering for probing ultrafast antiferromagnetic and structural dynamics
Laser-driven resonant magnetic soft-x-ray scattering for probing ultrafast antiferromagnetic and structural dynamics
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...
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Personal Name(s): | Schick, Daniel (Corresponding author) |
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Borchert, Martin / Braenzel, Julia / Stiel, Holger / Tümmler, Johannes / Bürgler, Daniel E. / Firsov, Alexander / von Korff Schmising, Clemens / Pfau, Bastian / Eisebitt, Stefan | |
Contributing Institute: |
Elektronische Eigenschaften; PGI-6 |
Published in: | Optica, 8 (2021) 9, S. 1237 - |
Imprint: |
Washington, DC
OSA
2021
|
DOI: |
10.1364/OPTICA.435522 |
Document Type: |
Journal Article |
Research Program: |
Quantum State Preparation and Control |
Publikationsportal JuSER |
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. |