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MOSARIX: Multi-crystal spectrometer in the tender x-ray range at SOLEIL synchrotron
Iyas Ismail1, Roba Moussaoui1, Régis Vacheresse1
1Laboratoire de Chimie Physique-Matière et Rayonnement, CNRS, UMR 7614, Sorbonne Université, 4 Place Jussieu, 75252 Paris, France.
The Review of Scientific Instruments
|May 17, 2024
Summary
A new multi-crystal x-ray spectrometer (MOSARIX) offers high efficiency and resolving power for studying low cross-section phenomena and fast in situ measurements across various sample phases.
Area of Science:
- Materials Science
- Spectroscopy
- Physics
Background:
- X-ray spectroscopy is crucial for analyzing material properties.
- Existing instruments may have limitations in efficiency or sample environment flexibility.
Purpose of the Study:
- To introduce and characterize a novel multi-crystal x-ray spectrometer, MOSARIX.
- To demonstrate its capabilities for studying small cross-section phenomena and in situ measurements.
Main Methods:
- Construction and commissioning of a standalone von Hamos spectrometer (MOSARIX).
- Utilized highly annealed pyrolytic graphite crystals and a Pilatus detector.
- Operated under a Helium atmosphere for versatile sample environments.
Main Results:
- MOSARIX optimized for 2-5 keV, extendable to 20 keV.
- Achieved exceptional detection efficiency and resolving power (>4000).
- Demonstrated suitability for gas, liquid, and solid phase measurements.
Conclusions:
- MOSARIX provides a powerful new tool for advanced x-ray spectroscopy.
- Its design enables efficient, fast, and flexible in situ studies.
- Opens avenues for investigating challenging phenomena in materials science and physics.
