Application of a hybrid pixel detector to powder diffraction

Area of Science:

• Materials Science
• Crystallography
• Instrumentation

Background:

• Powder diffraction is crucial for material characterization.
• Traditional detectors face limitations in speed and dynamic range for complex experiments.

Purpose of the Study:

• To present results from a novel hybrid pixel photon-counting detector for powder diffraction.
• To evaluate its performance in terms of speed, data quality, and applicability to demanding experiments.

Main Methods:

• Utilized a hybrid pixel photon-counting detector with a 68 mm x 68 mm area and 0.33 mm pixel size.
• Conducted room-temperature powder diffraction experiments.
• Tested the detector with X-zeolite anomalous scattering and in situ liquid oxide quenching experiments.

Main Results:

• Achieved a reduction in experimental time by over a factor of 20 without loss of data quality.
• Demonstrated the detector's suitability for high-resolution diffraction patterns.
• Enabled acquisition of 0.01 s frames for studying rapid processes like liquid oxide quenching.

Conclusions:

• The hybrid pixel photon-counting detector offers a significant advancement for powder diffraction.
• Its speed and dynamic range facilitate challenging anomalous and in situ studies.
• This technology enhances the study of dynamic material transformations.