Preparation and Luminescent Properties of 0.1%Ce3+:BaF2 Laser Ceramics by Vacuum Sintering

Ya-Mei Jiao; Jun Ming Luo

doi:10.4028/www.scientific.net/AMR.1142.79

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HomeAdvanced Materials ResearchAdvanced Materials Research Vol. 1142Preparation and Luminescent Properties of...

Preparation and Luminescent Properties of 0.1%Ce³⁺:BaF₂ Laser Ceramics by Vacuum Sintering

Abstract:

0.1% Ce³⁺:BaF₂ powders were prepared by coprecipitation method. Then the transparent ceramics were prepared by vacuum sintering. The effectts of sintering temperature and holding time on transparent ceramics were studied. The results show that the 0.1% Ce³⁺:BaF₂ powders prepared by coprecipitation are approximately spherical with the size ranging from 200~300nm and good dispersion. The maximum light transmittance of the 0.1% Ce³⁺:BaF₂ transparent ceramics reaches 69.2% when the sintering temperature is 1275°C. The fluorescence intensity of the transparent ceramics enhances with the increase of the sintering temperature. There are two characteristic f-f transition emission peaks at 610nm and 650nm when the excitation peak is at 290nm. The maximum transparency of 71.4% emerges when the holding time is 6h at 1275°C and the fluorescence intensity reaches the maximum. The 528nm (⁵D₁→²F_7/2) appears when excitated by the 524nm excitation light.

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Advanced Materials Research (Volume 1142)

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79-84

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.1142.79

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Online since:

January 2017

Authors:

Ya-Mei Jiao, Jun Ming Luo*

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0.1%Ce³⁺:BaF₂, Chemical Precipitation, Laser Ceramics, Luminescent Properties, Vacuum Sintering

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