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Synthesis and infrared up-conversion photostimulated luminescence properties of a novel optical storage material Sr2SnO4: Tb3 +, Li+

Qin Qing-Song Ma Xin-Long Shao Yu Yang Xing-Yu Sheng Hong-Fei Yang Jing-Zhong Yin Yao Zhang Jia-Chi

Synthesis and infrared up-conversion photostimulated luminescence properties of a novel optical storage material Sr2SnO4: Tb3 +, Li+

Qin Qing-Song, Ma Xin-Long, Shao Yu, Yang Xing-Yu, Sheng Hong-Fei, Yang Jing-Zhong, Yin Yao, Zhang Jia-Chi
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  • Received Date:  15 June 2011
  • Accepted Date:  10 May 2012
  • Published Online:  05 May 2012

Synthesis and infrared up-conversion photostimulated luminescence properties of a novel optical storage material Sr2SnO4: Tb3 +, Li+

  • 1. Ministry of Education Key Laboratory of Magnetism and Magnetic Materials Lanzhou University, Lanzhou 730000, China
Fund Project:  Project supported by the National Nature Science Young Foundation of China (Grant No. 10904057), the National College of Innovative Pilot Scheme (Grant No. 101073005), and the Central Scientific Research Operating Expenses (Grant No. Lzjbky-2011-125).

Abstract: The novel electron trapping material of Sr2SnO4: Tb3+, Li+ for optical storage is synthesized by the solid state method. Stimulated by 980 nm infrared laser, the material shows intense up-conversion photostimulated luminescence. The ultraviolet light at 292 nm is an optimal writing source. The material has less shallow traps, which corresponds to its weak afterglow (less than 500 s). On the other hand, this material has lots of deep traps. Thus, the Sr2SnO4:Tb3 +, Li+ is a promising optical storage material. In addition, we propose the optical storage luminescence mechanism of Sr2SnO4:Tb3 +, Li +.

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