Spin dynamics at interfaces on femtosecond timescales

A Eschenlohr - Journal of Physics: Condensed Matter, 2020 - iopscience.iop.org
The excitation of magnetically ordered materials with ultrashort laser pulses results in
magnetization dynamics on femto-to picosecond timescales. These non-equilibrium spin …

The interplay of local electron correlations and ultrafast spin dynamics in fcc Ni

T Lojewski, MF Elhanoty, L Le Guyader… - Materials Research …, 2023 - Taylor & Francis
The complex electronic structure of metallic ferromagnets is determined by a balance
between exchange interaction, electron hopping leading to band formation, and local …

Progress and perspectives of spectroscopic studies on carbon k-edge using novel soft x-ray pulsed sources

Z Ebrahimpour, M Coreno, L Giannessi, M Ferrario… - Condensed …, 2022 - mdpi.com
The development of novel coherent and brilliant sources, such as soft X-ray free electron
laser (FEL) and high harmonic generation (HHG), enables new ultrafast analysis of the …

Femtosecond Spin-State Switching Dynamics of Fe (II) Complexes Condensed in Thin Films

L Kämmerer, G Kämmerer, M Gruber, J Grunwald… - ACS …, 2024 - ACS Publications
The tailoring of spin-crossover films has made significant progress over the past decade,
mostly motivated by the prospect in technological applications. In contrast to spin-crossover …

Direct evidence of real-space pairing in

AP Menushenkov, A Ivanov, V Neverov… - Physical Review …, 2024 - APS
The parent compound BaBiO 3 of bismuthate high-temperature superconductors (HTSCs)
BaBi (Pb) O 3 and Ba (K) BiO 3 with perovskitelike structure exhibits unusual electronic and …

[HTML][HTML] Electron population dynamics in resonant non-linear x-ray absorption in nickel at a free-electron laser

RY Engel, O Alexander, K Atak, U Bovensiepen… - Structural …, 2023 - pubs.aip.org
Free-electron lasers provide bright, ultrashort, and monochromatic x-ray pulses, enabling
novel spectroscopic measurements not only with femtosecond temporal resolution: The high …

Laboratory soft X-ray setup for transient absorption experiments in the liquid phase using a laser-produced plasma source

R Gnewkow, H Stiel, A Jonas, S Schönfelder, J Probst… - Optica, 2024 - opg.optica.org
With time-resolved soft X-ray spectroscopy, the element-specific dynamics of the electronic
structure of disordered systems can be investigated. Measurements of species in dilute …

Photoinduced charge transfer renormalization in NiO

T Lojewski, D Golež, K Ollefs, L Le Guyader… - Physical Review B, 2024 - APS
Photodoped states in strongly correlated charge-transfer insulators are characterized by dd
and dp interactions and the resulting intertwined dynamics of charge excitations and local …

[HTML][HTML] Table-top source for x-ray absorption spectroscopy with photon energies up to 350 eV

OA Naranjo-Montoya, M Bridger, R Bhar… - Review of Scientific …, 2024 - pubs.aip.org
We present a table-top setup for x-ray absorption spectroscopy (XAS) based on high
harmonic generation (HHG) in noble gases. Using sub-millijoule pump pulses at a central …

[HTML][HTML] The EuAPS Betatron Radiation Source: Status Update and Photon Science Perspectives

F Galdenzi, MP Anania, A Balerna, RJ Bean… - Condensed …, 2024 - mdpi.com
The EuPRAXIA EU project is at the forefront of advancing particle accelerator research and
the development of photon sources through innovative plasma acceleration approaches …