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The role of Sm ions in optical storage of SrS: Eu,Sm 被引量:4

The role of Sm ions in optical storage of SrS: Eu, Sm
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摘要 The optical absorption spectra of infrared stimulable phosphor SrS:Eu, Sm in the saturat-ed and bleached states of optical storage were investigated. The valence and number of Sm3+ ions were examined via the Sm3+ 4f-4f absorption in near-infrared region. It was found that the broad band absorption corresponding to the transition for electrons stimulated from the traps to the conduction band is decreased at the wavelengths of Sm3+ absorption lines. The dependence of optical storage on Sm concentration was measured. A new trapping mechanism in SrS: Eu, Sm was presented based on our experimental results and the role of Sm ions was identified. The optical absorption spectra of infrared stimulable phosphor SrS:Eu, Sm in the saturat-ed and bleached states of optical storage were investigated. The valence and number of Sm3+ ions were examined via the Sm3+ 4f-4f absorption in near-infrared region. It was found that the broad band absorption corresponding to the transition for electrons stimulated from the traps to the conduction band is decreased at the wavelengths of Sm3+ absorption lines. The dependence of optical storage on Sm concentration was measured. A new trapping mechanism in SrS: Eu, Sm was presented based on our experimental results and the role of Sm ions was identified.
出处 《Science China Mathematics》 SCIE 2001年第9期1189-1196,共8页 中国科学:数学(英文版)
基金 the National Natural Science Foundation of China (Grant No, 19874001) Paper Foundation of Northern Jiaotong University.
关键词 electron capturing electron trap optical storage samarium. electron capturing, electron trap, optical storage, samarium.
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  • 1Zhao Hui,Wang Yongsheng,Xu Zheng,Tang Huijun,Xu Xurong.Mechanism of photostimulated luminescence: BaFCl:Eu2+[J].Czechoslovak Journal of Physics.1999(8)
  • 2Wang Yongsheng,Zhao Hui,Xu Zheng et al.Temperature effect of two kinds of color centers in BaFCl: Eu2+ phosphors inphotostimulated readout process[].Physica.1999

同被引文献32

  • 1张希艳,姜薇薇,杨魁胜,曹志峰,柏朝晖,王晓春,卢利平.Preparation of CaS∶Eu^(2+), Sm^(3+) by Solid Reaction Method and Its Photostimulated Luminescence[J].Journal of Rare Earths,2004,22(4):466-469. 被引量:6
  • 2陈述春,戴凤妹.电子俘获材料的光学性质及光存储机制研究[J].光学学报,1995,15(6):749-752. 被引量:29
  • 3陈述春.Sm:Cas的电子俘获机制[J].光学学报,1995,15(10):1463-1466. 被引量:9
  • 4Zhiyi He,Yongsheng Wang,Li Sun,Yanbing Hou,Xurong Xu.The role of Sm ions in optical storage of SrS : Eu, Sm[J]. Science in China Series A: Mathematics . 2001 (9)
  • 5Jiang Weiwei,Xu Zheng,Zhang Fujun,Zhang Xiyan,Wang Liwei.Preparation of SrS:Eu,Sm and its photostimulated lu- minescence. Journal of Materials Processing Technology . 2007
  • 6Kravets V G.Using electron trapping materials for optical memory. Optical Materials . 2001
  • 7Lu Liping,Zhang Xiyan,Liu Quansheng.Preparation and characteristics of optical storage material CaS:Ce2+,Sm3+. Journal of Rare Earths . 2004
  • 8Kravets V G,Kryuchin A A,Ataev V A.Photostimulated lu- minescence from CaS:Eu, Sm clusters embedded in organic dye. Shershukov Opt. Mater . 2002
  • 9Lu Liping,,Zhang Xiyan,Bai Zhaohui,Mi Xiaoyun.Synthesis of infrared up-conversion material SrS:Eu, Sm. Adv. Powder Technol . 2006
  • 10Lu Liping,Zhang Xiyan,Bai Zhaohui,Wang Xiaochun,Mi Xiaoyun,Liu Quansheng.Synthesis and characterization of IR up-conversion material CaS:Eu,Sm by low-temperature com- bustion synthesis method. Materials Research Bulletin . 2009

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