Illustration from Scientific Research

Schematic of proton-beam-induced luminescence (ionoluminescence) in a thin transmission scintillator comprising CsPbBr3 nanocrystals with a cubic crystal structure (shown by the upper right inset). The upper left inset shows an image of an actual CsPbBr3 scintillator prepared on a 500-nm-thick pioloform film. h, photon energy; Al, aluminium.

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