| Characterization of Y_2O_2S∶Eu ~(3+), Mg~(2+), Ti~(4+) Long-Lasting Phosphor Synthesized by Flux Method |
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| 引用本文： | 王育华,王治龙.Characterization of Y_2O_2S∶Eu ~(3+), Mg~(2+), Ti~(4+) Long-Lasting Phosphor Synthesized by Flux Method[J].中国稀土学报(英文版),2006(1). |
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| 作者姓名： | 王育华 王治龙 |
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| 作者单位： | Department of Materials Science School of Physical Science and Technology Lanzhou University Lanzhou 730000 China，Department of Materials Science School of Physical Science and Technology Lanzhou University Lanzhou 730000 China |
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| 摘 要： | Long lastingphosphorescence(LLP)isaproper tyofphosphorswithlongdecaytime,rangingfroma fewminutestotensofhours1].Inrecentyears,LLP materialshavebeenwidelyusedinmanyfieldssuch asroadsigns,emergencylighting,graphicarts,inte riordecoration,automobileinstrument,andoptical datastorage2～4].Buttodate,theprogressonred phosphorescenceisveryslow.TheredLLPmaterialbasedonsulfide(CaS∶Eu3+)hasnearly3hafterglow.However,itisex tremelysensitivetomoistureandthuschemicallyun stable5].CaTiO3∶Pr3+,BaT…
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| 关 键 词： | Y_2O_2S∶Eu 3+ Mg 2+ Ti 4+ flux method long-lasting phosphorescence material rare earths |
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