Photoluminescence tuning and scintillation properties of Tb3+/Dy3+ ion-doped SiO2-B2O3-Gd2O3/GdF3-CaO glasses
Source abstract
Abstract
Tb 3+/Dy 3+ ions doped SiO 2-B 2O 3-Gd 2O 3-CaO (SBGOTD) and SiO 2-B 2O 3-GdF 3 -CaO (SBGFTD) two series of glass were synthesized using a high-temperature melting method. The luminescence and scintillation properties of both glass series were studied through photoluminescence (PL) spectroscopy and X-ray emission spectroscopy. In the two series of glass, the SBGFTD (Dy 3+ ,0.5 mol%) glass sample exhibited the best luminous intensity excited at 378 nm and X-ray. The PL emission intensity and fluorescence decay time of Tb 3+ were observed to change, indicating that energy was transferred from Dy 3+ to Tb 3+ ions. In addition, the integrated scintillation efficiencies of the two series glass samples reached 36.8 (SBGOTD) and 38.2% (SBGFTD) of the Bi 4Ge 3O 12 (BGO) standard sample. The practical application of fluorine-modified borosilicate glass in the fields of luminescence and X-ray detection can be further expanded and improved based on these findings.
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Research context
OpenAlex topics: Luminescence Properties of Advanced Materials · Glass properties and applications · Digital Radiography and Breast Imaging
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
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