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Abstract Spatial resolution of scintillator is crucial for high‐quality X‐ray imaging, especially in tiny and complicated electronic component. In this work, PrPP 2 MnBr 4 single crystal is obtained by dual‐solvent evaporation method, which gives an unprecedented high spatial resolution of 104.3 lp/mm, representingstate of the art among non‐lead metal halides. The study also conducts the preparation of large area scintillation screen (10 cm × 10 cm) by solidifying melted salt PrPP 2 MnBr 4 , thus giving an excellent X‐ray imaging with spatial resolution of 53.5 lp mm −1 , which demonstrates its application on large area detection.
Xiao et al. (2024) studied this question.