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Note: application of a pixel-array area detector to simultaneous single crystal X-ray diffraction and X-ray
Cheng-Jun Sun1, Bangmin Zhang1, Dale L Brewe1
1Advanced Photon Source, Argonne National Laboratory, Argonne, Illinois 60439, USA.
The Review of Scientific Instruments
|May 3, 2014
Summary
This study introduces a novel experimental setup for simultaneous X-ray diffraction (XRD) and X-ray absorption spectroscopy (XAS) measurements using a pixel-array detector, enabling advanced materials analysis.
Area of Science:
- Materials Science and Condensed Matter Physics
- Synchrotron Radiation Applications
- Spectroscopy and Diffraction Techniques
Background:
- X-ray diffraction (XRD) and X-ray absorption spectroscopy (XAS) are crucial synchrotron-based techniques for materials characterization.
- Performing these measurements simultaneously can provide complementary structural and electronic information.
- Existing methods often require separate experimental setups, limiting efficiency and time-resolved capabilities.
Purpose of the Study:
- To develop and demonstrate an experimental setup for simultaneous XRD and XAS measurements.
- To enable efficient data acquisition for time-resolved pump-probe experiments.
- To showcase the capability using a Pr0.67Sr0.33MnO3 thin film.
Main Methods:
- Utilized a pixel-array area detector for simultaneous data collection.
- Implemented energy scanning for X-ray diffraction (XRD) at fixed angles.
- Collected X-ray absorption near edge structure (XANES) via X-ray fluorescence on the same detector.
Main Results:
- Successfully demonstrated simultaneous XRD and XAS measurements on a Pr0.67Sr0.33MnO3 film.
- Validated the feasibility of collecting both diffraction and fluorescence data concurrently.
- The setup allows for precise overlap of X-ray and laser beams for pump-probe studies.
Conclusions:
- The developed experimental setup enables concurrent XRD and XAS measurements with high efficiency.
- This approach is a significant advancement for time-resolved studies in materials science.
- Future applications include in-situ and operando studies of dynamic material processes.
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