Fabrication and optical characterizations of PrF3-doped SrF2 transparent ceramics
Source abstract
Abstract
Abstract A series of PrF3-doped SrF2 ceramics were fabricated by the hot-pressed (HP) sintering method. The influence of PrF3 concentrations on the microstructure and optical characterizations of transparent ceramics was investigated. PrF3 doping was found to have a positive effect on increasing optical transmittance. The luminescence intensity and lifetime quenching of Pr:SrF2 ceramics at high doping concentrations were attributed to the Pr3+-Pr3+ interactions through the intense CR process. The luminescence color of Pr:SrF2 ceramics was tuned from the blue region to the reddish region, and finally to the orange region with increasing PrF3 concentrations. The effect of sintering temperature on the optical transmittance and microstructure of Pr:SrF2 ceramics was also measured and discussed. The highest transmittance of the Pr:SrF2 ceramic (doped with 5 wt% PrF3 and sintered at 950 °C) at 350 nm and 1200 nm were 90.4% and 91.9%, respectively.
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Research context
OpenAlex topics: Luminescence Properties of Advanced Materials · Glass properties and applications · Microwave Dielectric Ceramics Synthesis
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