| Effects of Annealing Treatments on Luminescence and Scintillation Properties of Ce：Lu3 Al5 O12 Crystal Grown by Czochralski Method |
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| 引用本文： | 钟玖平 梁宏斌 苏锵 张国斌 Dorenbos Pieter Birowosuto Muhammad Danang.Effects of Annealing Treatments on Luminescence and Scintillation Properties of Ce：Lu3 Al5 O12 Crystal Grown by Czochralski Method[J].中国稀土学报(英文版),2007,25(5):568-572. |
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| 作者姓名： | 钟玖平 梁宏斌 苏锵 张国斌 Dorenbos Pieter Birowosuto Muhammad Danang |
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| 作者单位： | [1]MOE Laboratory of Bioinorganic and Synthetic Chemistry, State Key Laboratory of Optoelectronic Materials and Technologies, School of Chemistry and Chemical Engineering, Sun Yat-sen University, Guangzhou 510275, China [2]National Synchrotron Radiation Laboratory, University of Science and Technology of China, Hefei 230026, China [3]Faculty of Applied Sciences, Delft University of Technology, Mekelweg 15, 2629 LIB Delft, Netherlands |
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| 基金项目： | 国家自然科学基金;广东省科技厅科技计划 |
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| 摘 要： | Lu3Al5O12 single crystals grown in pure N2 atmosphere by Czochralski method were annealed in oxidizing atmosphere （air）and reducing atmosphere （H2 ＋ N2）, respectively. Effects of annealing treatments on luminescence and scintillation properties of the crystals were investigated. The crystal annealed in air showed the highest luminescence intensity under blue light or vacuum ultraviolet excitation in comparison with that annealed in reducing flux or the as-grown crystal. Under X-ray excitation, crystal annealed in reducing atmosphere had the lowest light yield, and crystal annealed in air had the fastest decay time under ^137Cs 662 keV γ-ray excitation. Different annealing treatments resulted in different luminescence and scintillation properties, which might related with oxygen vacancies or defect existing in the crystals.
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| 关 键 词： | 镥 铈 稀土元素 化学结构 晶体 |
| 文章编号： | 1002-0721（2007）05-0568-05 |
| 收稿时间： | 5 November 2006 |
| 修稿时间： | 2006-11-05 |
Effects of Annealing Treatments on Luminescence and Scintillation Properties of Ce:Lu3 Al5 O12 Crystal Grown by Czochralski Method |
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| Zhong , Liang Hongbin, Su Qiang, Zhang Guobin, Dorenbos Pieter,Birowosuto Muhammad Danang.Effects of Annealing Treatments on Luminescence and Scintillation Properties of Ce:Lu3 Al5 O12 Crystal Grown by Czochralski Method[J].Journal of Rare Earths,2007,25(5):568-572. |
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| Authors: | Zhong Liang Hongbin Su Qiang Zhang Guobin Dorenbos Pieter Birowosuto Muhammad Danang |
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| Affiliation: | 1. MOE Laboratory of Bioinorganic and Synthetic Chemistry, State Key Laboratory of Optoelectronic Materials and Technologies, School of Chemistry and Chemical Engineering, Sun Yat-sen University, Guangzhou 510275, China; 2. National Synchrotron Radiation Laboratory, University of Science and Technology of China, Hefei 230026, China; 3. Faculty of Applied Sciences, Delft University of Technology, Mekelweg 15, 2629 LIB Delft, Netherlands |
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| Abstract: | Ce:Lu3Al5O12 single crystals grown in pure N2 atmosphere by Czochralski method were annealed in oxidizing atmosphere (air) and reducing atmosphere (H2 + N2), respectively. Effects of annealing treatments on luminescence and scintillation properties of the crystals were investigated. The crystal annealed in air showed the highest luminescence intensity under blue light or vacuum ultraviolet excitation in comparison with that annealed in reducing flux or the as-grown crystal. Under X-ray excitation, crystal annealed in reducing atmosphere had the lowest light yield, and crystal annealed in air had the fastest decay time under 137Cs 662 keV γ-ray excitation. Different annealing treatments resulted in different luminescence and scintillation properties, which might related with oxygen vacancies or defect existing in the crystals. |
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| Keywords: | Ce:Lu3Al5O12 crystal luminescence scintillation properties rare earths |
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