Resonant X-ray emission spectroscopy using self-seeded hard X-ray pulses at PAL-XFEL

open access.

Bibliographische Detailangaben
Veröffentlicht in:Journal of synchrotron radiation. - 1994. - 30(2023), Pt 6 vom: 01. Nov., Seite 1038-1047
1. Verfasser: Choi, Tae Kyu (VerfasserIn)
Weitere Verfasser: Park, Jaeku, Kim, Gyujin, Jang, Hoyoung, Park, Sang Youn, Sohn, Jang Hyeob, Cho, Byoung Ick, Kim, Hyunjung, Kim, Kyung Sook, Nam, Inhyuk, Chun, Sae Hwan
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2023
Zugriff auf das übergeordnete Werk:Journal of synchrotron radiation
Schlagworte:Journal Article X-ray free-electron laser (XFEL) resonant X-ray emission spectroscopy (RXES) self-seeding von Hamos spectrometer
Beschreibung
Zusammenfassung:open access.
Self-seeded hard X-ray pulses at PAL-XFEL were used to commission a resonant X-ray emission spectroscopy experiment with a von Hamos spectrometer. The self-seeded beam, generated through forward Bragg diffraction of the [202] peak in a 100 µm-thick diamond crystal, exhibited an average bandwidth of 0.54 eV at 11.223 keV. A coordinated scanning scheme of electron bunch energy, diamond crystal angle and silicon monochromator allowed us to map the Ir Lβ2 X-ray emission lines of IrO2 powder across the Ir L3-absorption edge, from 11.212 to 11.242 keV with an energy step of 0.3 eV. This work provides a reference for hard X-ray emission spectroscopy experiments utilizing self-seeded pulses with a narrow bandwidth, eventually applicable for pump-probe studies in solid-state and diluted systems
Beschreibung:Date Revised 04.10.2024
published: Print-Electronic
Citation Status PubMed-not-MEDLINE
ISSN:1600-5775
DOI:10.1107/S1600577523007312