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Inne
Luminescence properties of Ce-activated YAG optical ceramic scintillator materials.
Autorzy
Rok wydania
1997
Czasopismo
Numer woluminu
75
Strony
193-203
DOI
10.1016/S0022-2313(97)00103-8
Kolekcja
Język
Angielski
Typ publikacji
Artykuł
Scintillation and luminescence characteristics of a highly dense transparent YAG: Ce-ceramic are reported and compared to those of a single crystal. When excited with gamma-rays both types of materials display the same dominant ≈85 ns decay, but the ceramic also shows a new rapid component of ≈20 ns that is completely absent in the single crystal. The scintillation output from the ceramic reaches about 50% of that from the single crystal, having been diminished by unusual loss processes caused by the deformed lattice at the grain boundary interfaces. A phenomenological model involving distortion of the band structure is proposed to explain the results of kinetic measurements.
Słowa kluczowe
Scintillator, Ceramic, YAG: Ce, Energy transfer, Microstructure
Adres publiczny
https://doi.org/10.1016/S0022-2313(97)00103-8
Strona internetowa wydawcy
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