ROBL‐II at ESRF: a synchrotron toolbox for actinide research

Medientyp: E-Artikel

Titel: ROBL‐II at ESRF: a synchrotron toolbox for actinide research

Beteiligte: Scheinost, Andreas C. [Verfasser:in]; Claussner, Juergen [Verfasser:in]; Exner, Joerg [Verfasser:in]; Feig, Manuel [Verfasser:in]; Findeisen, Stefan [Verfasser:in]; Hennig, Christoph [Verfasser:in]; Kvashnina, Kristina O. [Verfasser:in]; Naudet, Damien [Verfasser:in]; Prieur, Damien [Verfasser:in]; Rossberg, Andre [Verfasser:in]; Schmidt, Moritz [Verfasser:in]; Qiu, Canrong [Verfasser:in]; Colomp, Patrick [Verfasser:in]; Cohen, Cedric [Verfasser:in]; Dettona, Eric [Verfasser:in]; Dyadkin, Vadim [Verfasser:in]; Stumpf, Thorsten [Verfasser:in]; 3Department of Research Technology, Helmholtz Zentrum Dresden Rossendorf, Bautzner Landstrasse 400, 01328Dresden, Germany [Verfasser:in]; 1The Rossendorf Beamline (BM20), European Synchrotron Radiation Facility, 71 Avenue des Martyrs, 38043Grenoble, France [Verfasser:in]; 2Institute of Resource Ecology, Helmholtz Zentrum Dresden Rossendorf, Bautzner Landstrasse 400, 01328Dresden, Germany [Verfasser:in]; 5European Synchrotron Radiation Facility, 71 Avenue des Martyrs, 38043Grenoble, France [Verfasser:in]; 6Swiss Norwegian Beamlines, European Synchrotron Radiation Facility, 71 Avenue des Martyrs, 38043Grenoble, France [Verfasser:in]

Erschienen: International Union of Crystallography; 5 Abbey Square, Chester, Cheshire CH1 2HU, England, 2020-11-23

Sprache: Englisch

DOI: https://doi.org/10.23689/fidgeo-4123

Schlagwörter: XES ; XAS ; HERFD‐XANES ; XRD ; RAXR ; EXAFS ; CTR ; surface diffraction ; actinides ; XANES ; RIXS

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Beschreibung: ROBL‐II provides four different experimental stations to investigate actinide and other alpha‐ and beta‐emitting radionuclides at the new EBS storage ring of ESRF within an energy range of 3 to 35 keV. The XAFS station consists of a highly automatized, high sample throughput installation in a glovebox, to measure EXAFS and conventional XANES of samples routinely at temperatures down to 10 K, and with a detection limit in the sub‐p.p.m. range. The XES station with its five bent‐crystal analyzer, Johann‐type setup with Rowland circles of 1.0 and 0.5 m radii provides high‐energy resolution fluorescence detection (HERFD) for XANES, XES, and RIXS measurements, covering both actinide L and M edges together with other elements accessible in the 3 to 20 keV energy range. The six‐circle heavy duty goniometer of XRD‐1 is equipped for both high‐resolution powder diffraction as well as surface‐sensitive CTR and RAXR techniques. Single crystal diffraction, powder diffraction with high temporal resolution, as well as X‐ray tomography experiments can be performed at a Pilatus 2M detector stage (XRD‐2). Elaborate radioprotection features enable a safe and easy exchange of samples between the four different stations to allow the combination of several methods for an unprecedented level of information on radioactive samples for both fundamental and applied actinide and environmental research. ; ROBL‐II at ESRF provides four experimental stations to investigate actinides with X‐ray absorption and emission spectroscopy, and with surface, high‐resolution powder, and single‐crystal X‐ray diffractometry.

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