Journal
JOURNAL OF PHYSICAL CHEMISTRY B
Volume 109, Issue 49, Pages 23320-23325Publisher
AMER CHEMICAL SOC
DOI: 10.1021/jp054273y
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The aim of this work is to report on the luminescence properties of SrY2O4 activated by Eu3+ ion. Powder samples were prepared by solid-state reaction. X-ray diffraction powder data, photoluminescence, and high-resolution spectroscopy were carried out. Results revealed that the Eu3+ ions occupied three nonequivalent sites, with one at the Sr site, one at the Y(1) site, and another at the Y(2) site. Their spectra wavelengths for the F-7(0)-(5) D-0 transition are located at 578.49, 581.86, and 580.63 nm, respectively. The corresponding charge-transfer transitions are located at 248, 257, and 270 nm, respectively, which are also confirmed by theoretical analysis.
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