Long‐Lived UV‐Rewritable Luminescent Memory in a Fluoroperovskite Crystal
Joseph J. Schuyt,
Grant V. M. Williams,
Shen V. Chong
Abstract:Photostimulated luminescence phosphors are promising candidates for next‐generation optical data storage devices. Herein, optically‐reversible luminescence modulation is demonstrated using UV wavelengths in the fluoroperovskite RbCdF3:Mn, where the modulation is mediated by photostimulated luminescence processes. UV‐C stimulation enhances the luminescence from Mn2+ centers and simultaneously fills electron traps. This charging process occurs via electron transfer from Mn2+ ions to fluorine vacancies, yielding … Show more
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