Fabrication and Luminescent Properties of Er-Doped Sr5(PO4)3F Ceramics

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Abstract

Nanopowders of strontium fluoroapatite Sr5(PO4)3F (SFAP) were synthesized using a co-precipitation method with different starting strontium compounds. Based on the data of XRD, BET and SEM measurements, the nitrate-derived powders were chosen as the least agglomerated. The SFAP powders were hot pressed at 1000 °C to ceramic samples with a transmittance up to 82% in a mid-IR region. The designed approach was adopted to prepare 2 mol % of Er-doped SFAP powders and ceramics. It was established that Er:SFAP ceramics have luminescence in the range of 1.5–1.7 μm, the intensity of which increases with the calcination temperature of the initial powders.

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Permin, D., Nazmutdinov, M., Kurashkin, S., Balabanov, S., Belyaev, A., Novikova, A., & Koshkin, V. (2023). Fabrication and Luminescent Properties of Er-Doped Sr5(PO4)3F Ceramics. Inorganics, 11(2). https://doi.org/10.3390/inorganics11020057

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