期刊
JOURNAL OF THE AMERICAN CERAMIC SOCIETY
卷 102, 期 1, 页码 178-184出版社
WILEY
DOI: 10.1111/jace.15915
关键词
barium fluoride; optical properties; transparent ceramics; vacuum sintering
资金
- NSF [1554094]
Nd:BaF2 nanoparticles have been prepared via co-precipitation and a pumping filtration wash method. The phase composition and morphology of the synthesized nanoparticles were investigated by X-Ray Diffraction (XRD) and Field Emission Scanning Electron Microscopy (FE-SEM) analyses, respectively. SEM observations revealed the powder's particle size to be approximately 100-200 nm after calcination at 600 degrees C for 5 hours in Ar. The transparent Nd:BaF2 ceramics were then fabricated by the one-step vacuum sintering method at a temperature of 1200 degrees C for 10 hours. SEM observations of the polished and thermally etched cross sections of the sintered ceramic revealed a highly homogenous microstructure with average grain size of 420 mu m. Optical property characterization revealed that the transmittance of the ceramic reaches a maximum of similar to 70% in the infrared wave-length range, and an emission peak located at 1058 nm, excited by 808 nm light.
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