What question did this study set out to answer?

This research aims to uncover the origins of radiation hardness in CsPbBr3 single-crystal detectors and their performance under irradiation.

December 8, 2025Advanced Functional Materials

Defect Dynamics Governed Radiation Hardness in Single‐Crystal CsPbBr 3 γ‐Ray Detectors

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Authors

XZXin Zhang YHYing-ying Hao XZXinlei Zhang

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Implication

Analysis reveals that self-healing capability enhances radiation hardness in CsPbBr3 γ-ray detectors, suggesting potential for robust sensor applications.

Key Points

This research aims to uncover the origins of radiation hardness in CsPbBr3 single-crystal detectors and their performance under irradiation.
Performance changes were integrated with the evolution of point defects in CsPbBr3 γ-ray detectors.
Deep level transient spectroscopy and pulse height spectra response were used to assess detector capabilities.
Irradiation doses of up to 5 Mrad with gamma radiation (60Co) were evaluated.
CsPbBr3 detectors maintain radiation hardness under high doses without degradation or phase segregation.
Low-dose irradiation passivates intrinsic defects and reduces trap density, while high doses generate new defects.
Self-healing capability due to efficient defect migration supports stable energy resolution under radiation.

Cite This Study

Zhang et al. (2025) studied this question.

synapsesocial.com/papers/693624a44fa91c937236c3dc https://doi.org/10.1002/adfm.202527369

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Implication

Analysis reveals that self-healing capability enhances radiation hardness in CsPbBr3 γ-ray detectors, suggesting potential for robust sensor applications.