Luminescence kinetic model for long-afterglow phosphor (Sr0.5Ca1.5)MgSi2O7 : Eu2+, Dy3+
Liu, B; Shi, CS; Tao Y(陶冶); Tao, Y; Xiao, ZG
刊名CHINESE PHYSICS LETTERS
2005
卷号22期号:5页码:1256-1259
学科分类Physics
通讯作者Univ Sci & Technol China, Dept Phys, Hefei 230026, Peoples R China ; Chinese Acad Sci, Inst High Energy Phys, Beijing 100039, Peoples R China ; Dalian Luming Light Co Ltd, Dalian 116025, Peoples R China
文章类型Article
英文摘要A luminescence kinetic model for the green-emission long-afterglow phosphor (Sr0.5Ca1.5)MgSi2O7:Eu2+ ,Dy3+ is proposed based on the studies of the thermoluminescence and isothermal decay curves at different temperatures. The isothermal decay curves at different temperatures meet the hyperbolic law and show to be dependent on temperature. Combined with the decay curves and the thermoluminescence curves, it can be concluded that the long afterglow of this material originates from the traps with energy distribution rather than a single level trap. Upon illumination with ultra-violet or visible light, the trap filling can proceed via excitation of 4f electrons to the 5d level of EU2+ ions. After excitation, 5d electrons can be transferred to the trap related to Dy3+ ions, and Eu3+ is left behind. Upon subsequent heating, the electron is released from this trap and recombines with Eu3+ to produce Eu2+ emission.
类目[WOS]Physics, Multidisciplinary
研究领域[WOS]Physics
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语种英语
WOS记录号WOS:000229202500065
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被引频次:4[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ihep.ac.cn/handle/311005/239231
专题中国科学院高能物理研究所_多学科研究中心_期刊论文
中国科学院高能物理研究所_多学科研究中心
作者单位中国科学院高能物理研究所
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Liu, B,Shi, CS,Tao Y,et al. Luminescence kinetic model for long-afterglow phosphor (Sr0.5Ca1.5)MgSi2O7 : Eu2+, Dy3+[J]. CHINESE PHYSICS LETTERS,2005,22(5):1256-1259.
APA Liu, B,Shi, CS,陶冶,Tao, Y,&Xiao, ZG.(2005).Luminescence kinetic model for long-afterglow phosphor (Sr0.5Ca1.5)MgSi2O7 : Eu2+, Dy3+.CHINESE PHYSICS LETTERS,22(5),1256-1259.
MLA Liu, B,et al."Luminescence kinetic model for long-afterglow phosphor (Sr0.5Ca1.5)MgSi2O7 : Eu2+, Dy3+".CHINESE PHYSICS LETTERS 22.5(2005):1256-1259.
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