Radioluminescence study of rare earth doped some yttrium based phosphors
Articles > Article · 2012
Authors: Mehmet Ayvacikli, Arzu Ege, Elçin EKDAL KARALI, Elisabeth-Jeanne Popovici, Nurdogan CAN
OPTICAL MATERIALS, Journal Indexed in SCI Expanded, International, 2012, vol 34, pp 1958-1961
DOI: 10.1016/j.optmat.2012.05.023
Summary
This paper reports the luminescence emission spectra of Y(Ta,Nb)04 activated by rare earth ions such as Eu3+ and Tb3+. The influence of these rare earth ions on the radioluminescence (RL) of yttrium niobate and tantalate phosphors was investigated. The luminescent properties were studied under X-ray and preliminary RL measurements to further evaluate prepared materials. The emission centers of the rare earth activators (Eu3+, Tb3+) were found to contribute efficiently to the total luminescence. With their various luminescence chromaticities, these rare earth activated phosphors are promising materials for solid-state lighting applications as well as for X-ray intensifying screens in medical diagnosis, providing the broad band variation of visible RL from blue to red. (c) 2012 Elsevier B.V. All rights reserved.