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Title: Luminescence decay kinetics of yttrium aluminium garnet phosphor at different temperature
Authors: Ju Yanyan
Lisitsyn, Viktor Mikhailovich
Soshchin, Naum Petrovich
Kruglyakov, Stanislav Alekseevich
Keywords: люминофоры; люминесценция; термообработка
Issue Date: 2018
Publisher: IOP Publishing
Citation: Luminescence decay kinetics of yttrium aluminium garnet phosphor at different temperature / Ju Yanyan [et al.] // Journal of Physics: Conference Series. — 2018. — Vol. 1115 : 6th International Congress "Energy Fluxes and Radiation Effects"18th International Conference on Radiation Physics and Chemistry of Condensed Matter (18th RPC) : [proceedings], 16-22 September 2018, Tomsk, Russian Federation. — [052004, 6 p.].
Abstract: The temperature dependence of the luminescence decay for a series of SDL YAG:Ce phosphors is investigated. Luminescence quenching excited by chip under heat-treatment is observed. The dependence of temperature on thermal luminescent intensity at elevated temperature (range from room temperature to 200°C) was tested. Noticeable luminescence quenching of SDL 2700 phosphor is observed at temperatures above 50°C, and by increasing temperature up to 200°C, the luminescence intensity decreases 5 times. Compare with sdl2700 phosphor, the temperature quenching of sdl3500 and sdl4000 phosphors is much lower. The investigated phosphors differ in the content of Gd3+. An explanation of the observed effects is proposed.
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