研究目的
Investigating the charge carrier storage properties of LiLuSiO4:Ce,Tm compared to BaFBr(I):Eu for potential application in X-ray imaging.
研究成果
LiLuSiO4:Ce,Tm exhibits superior charge carrier storage capacity, slower fading rate, and potential for replacing BaFBr(I):Eu in X-ray imaging applications, despite requiring higher stimulation energy and having self-irradiation due to 176Lu isotopes.
研究不足
The study highlights the need for higher stimulation energy for LiLuSiO4:Ce,Tm compared to BaFBr(I):Eu and mentions the self-irradiation due to 176Lu isotopes, though it is considered not a serious drawback.
1：Experimental Design and Method Selection:
The study involved comparative thermoluminescence (TL) measurements between LiLuSiO4:Ce,Tm and BaFBr(I):Eu.
2：Sample Selection and Data Sources:
LiLuSiO4:Ce,Tm was synthesized using the solid-state method with specific starting materials. BaFBr(I):Eu was provided by AGFA Healthcare.
3：List of Experimental Equipment and Materials:
Equipment included a RIS? TL/OSL reader, PANalytical XPert PRO X-ray Diffraction System, and Ocean Optics QE65000 UV-VIS spectrometer.
4：Experimental Procedures and Operational Workflow:
Samples were irradiated with a 90Sr/90Y beta source, and TL measurements were performed under nitrogen gas flow. Optical stimulations were done using a blue LED or a red laser.
5：Data Analysis Methods:
TL intensity and fading characteristics were analyzed to compare the storage properties of the two materials.
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