Influence of Ca2+ co-doping on the luminescence properties of Eu doped Y3Al5O12 phosphors

被引：9
|
作者：
Silveira, Wellisson S. [1 ]
Rezende, Marcos V. dos S. [1 ]
机构：
[1] Univ Fed Sergipe, Dept Fis, BR-49100000 Sao Cristovao, SE, Brazil
来源：
JOURNAL OF PHYSICS AND CHEMISTRY OF SOLIDS | 2021年 / 154卷
关键词：
OPTICAL-PROPERTIES; YAG; EMISSION; PHOTOLUMINESCENCE; IONS; NANOCRYSTALS; FABRICATION; PARAMETERS; MORPHOLOGY; POWDERS;
D O I：
10.1016/j.jpcs.2021.110041
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Eu-doped YAG phosphors co-doped with Ca2+ divalent ions were produced by the modified sol-gel method. The influence of the Ca2+ co-dopant was studied through X-ray diffraction (XRD), photoluminescence (PL) and radioluminescence (RL) measurements. XRD results did not reveals an influence of the Ca2+ co-doping on the structural properties of the Eu-doped YAG phosphors. The optical measurements showed the typical transitions of Eu3+ ions, with emission in the orange-red spectral region, and that a change in local symmetry around the Eu ion occurred due to the Ca2+ co-dopant. The emission excited by X-rays (RL) confirmed the good stability of the YAG, when submitted to high energy radiation.
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页数：7
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