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RESEARCH PRODUCT

Rare Earth Activated Oxyfluoride Glasses and Glass-Ceramics for Scintillation Applications

Uldis RogulisJ. JansonsE. ElstsA. StundaK. KundzinsG. DokeAnatolijs Sarakovskis

subject

Nuclear and High Energy PhysicsMaterials scienceScanning electron microscopeAnnealing (metallurgy)DopingAnalytical chemistryCathodoluminescenceNuclear Energy and EngineeringDifferential thermal analysisvisual_artvisual_art.visual_art_mediumCeramicElectrical and Electronic EngineeringLuminescenceSpectroscopy

description

Oxyfluoride glasses 49SiO2·6Al2O3·24Li2O·20LaF3 activated with Tb, Ce, Eu have been synthesized and studied. After heating at 580°C and 750°C crystalline phases were obtained. The samples were studied by DTA (Differential thermal analyzer), CL (cathodoluminescence), XRD (X-ray diffraction), SEM (scanning electron microscope), EDS (energy dispersive x-ray spectroscopy) methods. We found out that presence of crystalline phase enhances the CL of Tb activated samples significantly; whereas, the shortest decay time of 0.29 μs has been observed for less intense Ce doped glass sample.

https://doi.org/10.1109/tns.2012.2212724