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Inne
Spectroscopy of Eu-doped Lu2O3-based X-ray phosphor.
Autorzy
Rok wydania
2002
Czasopismo
Journal of Alloys and Compounds
Numer woluminu
341
Strony
385-390
DOI
10.1016/S0925-8388(02)00043-9
Kolekcja
Język
Angielski
Typ publikacji
Artykuł
Nanoparticulate powders of Eu-doped Lu2O3 were prepared using combustion process and glycine as a fuel. Such powders could be relatively easily sintered to translucent bodies at 1700 °C. Excitation and emission spectra were recorded for both types of the materials. The excitation spectra revealed the existence of much more efficient energy transfer from the host to the dopant in the sintered ceramics. Strong variations in the relative intensities of the excitation transitions are seen when comparing the powder and its sintered analog. This was explained assuming preferential occupation of the C3i site in the glycine-derived powder in comparison with the pellets. Most profound emission under X-ray excitation was found for the sintered ceramic doped with 5% of Eu.
Słowa kluczowe
Phosphors, Lu2O3, X-ray detection, Sintering, Nanoceramics
Adres publiczny
https://doi.org/10.1016/S0925-8388(02)00043-9
Strona internetowa wydawcy
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