A Study of PbF2 Nanoparticles Crystallization Mechanism in Mixed Oxyde-Fluoride Glasses
Dyussembekova S. Trusova E. Kichanov S. Podbolotov K. Kozlenko D.
September 2023Multidisciplinary Digital Publishing Institute (MDPI)
Ceramics
2023#6Issue 31508 - 1516 pp.
Samples of nanocrystalline PbF2 glass ceramics were obtained by heat-treating SiO2–GeO2–PbO–PbF2–CdF2 glasses. The Ho2O3 and Tm2O3 doping effects on the structural features of PbF2 nanoparticles were studied using small-angle X-ray scattering and X-ray diffraction methods. The enlargements of the average sizes of nanoparticles and the sizes of local areas of density fluctuations have been found to be correlated with an increase in concentrations of Ho2O3 and Tm2O3 in initial glasses. A variation in the concentrations of Ho2O3 and Tm2O3 does not affect the morphology and fractal dimension of the formed PbF2 nanoparticles.
glass ceramics , nanoparticles , oxyfluoride glasses , small-angle X-ray scattering
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Frank Laboratory of Neutron Physics, Joint Institute for Nuclear Research, Dubna, 141980, Russian Federation
Institute of Nuclear Physics, Ministry of Energy of the Republic of Kazakhstan, Almaty, 050032, Kazakhstan
Glass and Ceramics Technology Department, Belarusian State Technological University, Minsk, 220006, Belarus
State Scientific Institution “The Physical-Technical Institute of the National Academy of Sciences of Belarus”, Minsk, 220141, Belarus
Frank Laboratory of Neutron Physics
Institute of Nuclear Physics
Glass and Ceramics Technology Department
State Scientific Institution “The Physical-Technical Institute of the National Academy of Sciences of Belarus”
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