17 September 2002 Long-lasting phosphorescence in Eu2+-doped ZnO-B2O3-Al2O3-SiO2 glasses
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In this paper, rare earth europium ion doped SrO-B2O3-Al2O3-SiO2 glasses were prepared. The batches were melted under an ambient atmosphere and reheated under a reducing atmosphere. The glass after being reheated in the reducing atmosphere show long after glow phosphorescence resulted from 5d-4f transition of Eu2+ ion . Whereas the glasses melted under an ambient atmosphere show luminscence peaks attributed to the 5Di7Fj of Eu3+ ion.
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Xiyan Zhang, Xiyan Zhang, Fengxia Yu, Fengxia Yu, Kuisheng Yang, Kuisheng Yang, Guang Cheng, Guang Cheng, Weizhong Wang, Weizhong Wang, Hongzhi Sun, Hongzhi Sun, Liping Lu, Liping Lu, Z. J. Wang, Z. J. Wang, "Long-lasting phosphorescence in Eu2+-doped ZnO-B2O3-Al2O3-SiO2 glasses", Proc. SPIE 4918, Materials, Devices, and Systems for Display and Lighting, (17 September 2002); doi: 10.1117/12.483112; https://doi.org/10.1117/12.483112

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