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Persistent luminescence properties of SrMg2(PO4)2:Eu2+,Tb3+

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Abstract

We investigate the persistent luminescence in europium-doped SrMg2(PO4)2 upon codoping with auxiliary terbium. Luminescence properties of the phosphors, including photoluminescence, luminescence decay and thermoluminescence, are systematically studied. SrMg2(PO4)2:Eu2+ shows only a weak persistent luminescence, and codoping with Tb3+ is necessary to obtain considerable persistent luminescence. An energy level scheme is constructed to convey reasonable trapping and detrapping processes in the material.

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Acknowledgements

This work is supported by the National Natural Science Foundation of China (No. 21271049).

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  1. School of Physics and Optoelectronic Engineering, Guangdong University of Technology, Waihuan Xi Road, No. 100, Guangzhou, 510006, People’s Republic of China

    Guifang Ju, Yihua Hu, Li Chen, Xiaojuan Wang & Lihua Hung

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  1. Guifang Ju
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Correspondence to Yihua Hu.

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Ju, G., Hu, Y., Chen, L. et al. Persistent luminescence properties of SrMg2(PO4)2:Eu2+,Tb3+ . Appl. Phys. A 114, 867–874 (2014). https://doi.org/10.1007/s00339-013-7716-1

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