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DONG Qizheng, YANG Fupeng. The Preparation and Stress Sensing Properties of Na+-doped LiNbO3: Pr3+ Phosphors[J]. Journal of South China Normal University (Natural Science Edition), 2021, 53(4): 24-30. DOI: 10.6054/j.jscnun.2021054
Citation: DONG Qizheng, YANG Fupeng. The Preparation and Stress Sensing Properties of Na+-doped LiNbO3: Pr3+ Phosphors[J]. Journal of South China Normal University (Natural Science Edition), 2021, 53(4): 24-30. DOI: 10.6054/j.jscnun.2021054

The Preparation and Stress Sensing Properties of Na+-doped LiNbO3: Pr3+ Phosphors

  • Na+-doped Li1-xNaxNbO3: Pr3+ phosphors were prepared with the high temperature solid-state method. Without changing the crystal structure, the emission intensity of blue light excitation in Li1-xNaxNbO3: Pr3+ was improved by doping Na+ and the optimal stoichiometric ratio x was 0.05. Then the phosphors were bonded to the aluminum alloy plate and the photoluminescence intensity of LiNbO3: Pr3+ increased sharply with the increase of stress by applying tensile force to the metal plate and it gradually disappeared with the increase of the content of Na+ dopants because Na+ doping changed the asymmetry around Pr3+ and affected the luminescence characteristics induced by LiNbO3: Pr3+.
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