Red shift of the PSL spectra by Al 3+  doping in BaFBr:Eu 2+ | Zendy

Xiong Guangnan | Zendy; Gao Suhua | Zendy; Yu Hua | Zendy; Xu Li | Zendy; Lou Suyun | Zendy

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Red shift of the PSL spectra by Al 3+ doping in BaFBr:Eu 2+

Author(s) -

Xiong Guangnan,

Gao Suhua,

Yu Hua,

Xu Li,

Lou Suyun

Publication year - 2000

Publication title -

journal of the society for information display

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.578

H-Index - 52

eISSN - 1938-3657

pISSN - 1071-0922

DOI - 10.1889/1.1828694

Subject(s) - psl , doping , photostimulated luminescence , europium , phosphor , center (category theory) , luminescence , analytical chemistry (journal) , materials science , spectral line , photoluminescence , wavelength , optics , atomic physics , physics , chemistry , crystallography , optoelectronics , geometry , mathematics , chromatography , astronomy

— Photostimulated luminescent (PSL) materials are currently used for digital storage and display in radiography. The phosphor BaFBr:Eu 2+ doped with Al 3+ is shown to have a very high PSL intensity, and the peak of the PSL spectrum shifts to a longer wavelength. Compared with BaFBr:Eu 2+ doped with Ca 2+ , Sr 2+ , or Mg 2+ , BaAlFBr:Eu 2+ is better suited to the stimulated light wavelength emitted by a semiconductor laser. The red‐shift mechanism is considered to be a F A center for BaFBr:Eu 2+ doped with Ca 2+ , Sr 2+ , or Mg 2+ and a F Z1 center for BaFBr:Eu 2+ doped with Al 3+ .

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