AP-XPS beamline, a platform for operando science at Pohang Accelerator Laboratory

open access.

Bibliographische Detailangaben
Veröffentlicht in:Journal of synchrotron radiation. - 1994. - 27(2020), Pt 2 vom: 01. März, Seite 507-514
1. Verfasser: Kim, Geonhwa (VerfasserIn)
Weitere Verfasser: Yu, Youngseok, Lim, Hojoon, Jeong, Beomgyun, Lee, Jouhahn, Baik, Jaeyoon, Mun, Bongjin Simon, Kim, Ki Jeong
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2020
Zugriff auf das übergeordnete Werk:Journal of synchrotron radiation
Schlagworte:Journal Article AP-XPS PAL (PLS-II) SPEM beamline
Beschreibung
Zusammenfassung:open access.
Beamline 8A (BL 8A) is an undulator-based soft X-ray beamline at Pohang Accelerator Laboratory. This beamline is aimed at high-resolution ambient-pressure X-ray photoelectron spectroscopy (AP-XPS), soft X-ray absorption spectroscopy (soft-XAS) and scanning photoemission microscopy (SPEM) experiments. BL 8A has two branches, 8A1 SPEM and 8A2 AP-XPS, that share a plane undulator, the first mirror (M1) and the monochromator. The photon beam is switched between the two branches by changing the refocusing mirrors after the monochromator. The acceptance angle of M1 is kept glancing at 1.2°, and Pt is coated onto the mirrors to achieve high reflectance, which ensures a wide photon energy range (100-2000 eV) with high resolution at a photon flux of ∼1013 photons s-1. In this article, the main properties and performance of the beamline are reported, together with selected experiments performed on the new beamline and experimental system
Beschreibung:Date Revised 05.08.2024
published: Print-Electronic
Citation Status PubMed-not-MEDLINE
ISSN:1600-5775
DOI:10.1107/S160057751901676X