Enhancing high-energy powder X-ray diffraction applications using a PILATUS4 CdTe detector

Area of Science:

• Materials Science
• Chemistry
• Physics

Background:

• Hybrid photon counting detectors have revolutionized synchrotron research.
• Large cadmium telluride (CdTe) detectors, introduced in 2015, enabled new high-energy X-ray measurements.

Purpose of the Study:

• To describe the specifications of the new PILATUS4 CdTe detector.
• To present prototype testing results for high-energy powder X-ray diffraction (XRD) studies.

Main Methods:

• Testing the PILATUS4 CdTe detector at MAX IV and ESRF synchrotrons.
• Conducting time-resolved in situ solid-state reaction studies.
• Performing fast-scanning XRD computed tomography of a battery cell.

Main Results:

• The PILATUS4 detector exhibits high quantum efficiency up to 100 keV.
• Maximum frame rate of 4000 Hz enables rapid data collection.
• Demonstrated improved time and spatial resolution in high-energy powder XRD.

Conclusions:

• The PILATUS4 detector significantly advances high-energy powder XRD capabilities.
• Facilitates breakthroughs in materials, chemical, and energy research through enhanced data collection.
• Enables faster and more detailed in situ and operando studies.