Measurement of persistence in YAG:Ce3+ scintillator with pulsed synchrotron X-rays
2011

Measuring the Decay Time of YAG:Ce3+ Scintillator

publication Evidence: high

Author Information

Author(s): Matsuo Tatsuhito, Yagi Naoto

Primary Institution: Japan Synchrotron Research Institute

Hypothesis

The study aims to measure the decay time and weak afterglow of scintillation from YAG:Ce3+ using pulsed synchrotron X-rays.

Conclusion

The decay time of YAG:Ce3+ scintillator was found to be 60 ns, indicating its suitability for high-speed X-ray detection.

Supporting Evidence

  • The decay time of YAG:Ce3+ was estimated to be 60 ns.
  • Analysis showed that the decay time is similar to that previously reported for excitation by electrons.
  • The results indicate that YAG:Ce3+ can be used in experiments requiring high time and spatial resolution.

Takeaway

The researchers used a special camera to see how quickly a material glows after being hit by X-rays, and they found it glows for a very short time, which is good for fast experiments.

Methodology

A high-speed CMOS camera and pulsed X-rays were used to measure the decay time of the YAG:Ce3+ scintillator.

Limitations

The study primarily focuses on the decay time and does not explore other potential factors affecting scintillation.

Digital Object Identifier (DOI)

10.1107/S0909049511010843

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