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The multi-purpose hard X-ray beamline BL10 at the DELTA storage ring
D Lützenkirchen-Hecht1, R Wagner1, S Szillat1
1Fachbereich C - Physik, Bergische Universität Wuppertal, Gauss-Strasse 20, D-42097 Wuppertal, Germany.
Journal of Synchrotron Radiation
|June 28, 2014
Summary
The BL10 hard X-ray beamline at DELTA offers versatile X-ray absorption and scattering capabilities. It supports diverse detection modes and temperature ranges for advanced materials research.
Area of Science:
- Synchrotron Radiation and X-ray Science
- Materials Science and Condensed Matter Physics
Background:
- The Dortmund Electron Accelerator DELTA provides a 1.5 GeV electron beam.
- Superconducting asymmetric wigglers generate hard X-ray radiation.
- A dedicated hard X-ray beamline (BL10) is essential for advanced X-ray studies.
Purpose of the Study:
- To describe the layout and characteristics of the BL10 hard X-ray beamline.
- To detail the capabilities for X-ray absorption and scattering experiments.
- To showcase the beamline's performance and initial applications.
Main Methods:
- Utilizes a Si(111) channel-cut monochromator for photon energy selection (4–16 keV).
- Features two endstations: one for X-ray absorption (transmission, fluorescence, reflectivity) and one for X-ray scattering/reflectivity with a kappa diffractometer.
- Integrates various detectors (ionization chambers, photodiodes, Pilatus 2D) with beamline control software.
Main Results:
- Demonstrates high-quality X-ray absorption spectra from reference compounds.
- Presents successful temperature-dependent Extended X-ray Absorption Fine Structure (EXAFS) experiments from cryogenic to elevated temperatures (approx. 100 K to 660 K).
- Highlights capabilities in transmission, fluorescence, and surface-sensitive reflection modes.
Conclusions:
- The BL10 beamline is a versatile and high-performance facility for hard X-ray research.
- It enables a wide range of X-ray absorption and scattering experiments across various sample environments.
- The beamline is well-suited for studying material properties under diverse conditions.
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