| Preparation and characterization of Er3＋-Yb3＋-Ce3＋ co-doped transparent glass ceramic containing nano Cas（PO4）3F crystals |
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| 引用本文： | 李永进,宋志国,李臣,邱建备,杨正文,尹兆益,杨勇,万荣华,王齐.Preparation and characterization of Er3＋-Yb3＋-Ce3＋ co-doped transparent glass ceramic containing nano Cas（PO4）3F crystals[J].中国稀土学报(英文版),2013,31(4):400-404. |
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| 作者姓名： | 李永进 宋志国 李臣 邱建备 杨正文 尹兆益 杨勇 万荣华 王齐 |
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| 作者单位： | [1]College of Materials Science and Engineering, Kunming University of Science and Technology, Kunming 650093, China [2]Key Lab of Advanced Materials＇ in Rare and Preeious and Nonferrous Metals （Kunming University of Science and Technology）, Ministry of Education, Kunming 650093, China |
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| 基金项目： | Project supported by Special Program for National Program on Key Basic Research Project of China （2011CB211708） and National Natural Science Foundation of China （61265007） |
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| 摘 要： | A transparent glass ceramic tri-doped with Ce3+/Er3+/Yb3+ was fabricated by the high-temperature melting technique and following heat-treatment.X-ray diffraction and transmission electron microscope results demonstrated that Ca5(PO4)3F(FAP) nanocrystals,possessed with preferable emission performances for the 1.54 m transition for doping Er3+,were homogeneously precipitated among the glass matrix with a mean size of 30 nm.Addition of Ce3+ greatly enhanced 1.54 m fluorescence of Er3+ by the cross relaxation energy transfer between Er3+ and Ce3+.Meanwhile,incorporation of Ce3+ dramatically decreased the visible upconversion emission intensity of glass ceramic than that of glass,suggesting that Ce3+ might incorporate into the FAP nanocrystals.The properties of this transparent glass ceramic showed the potential application as an efficient 980 nm pumped infrared laser medium.
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| 关 键 词： | glass ceramic Ca5(PO4)3F nano crystals Er3+-Yb3+-Ce3+ co-doped rare earths |
| 收稿时间： | 20 December 2012 |
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