Abstract
Fine-sized BaO-ZnO-B2O3-SiO2 (BZBS) glass powders were directly prepared by high temperature spray pyrolysis. The hollow glass powders prepared at low preparation temperature of 1000 °C had a low density of 2.65 g/cm3. However, the densities of the BZBS powders obtained at preparation temperatures of 1200 and 1400 °C were each 3.92 and 4.13 g/cm3. The mean size of the BZBS glass powders prepared by spray pyrolysis at preparation temperature of 1400 °C was 0.98 μm. The glass transition temperature (Tg) of the prepared BZBS glass powders was 518.9 °C. The dielectric layers formed from the prepared BZBS glass powders with a dense structure had a clean surface and a dense inner structure without voids at the firing temperature of 580 °C. The transparencies of the dielectric layers formed from the prepared BZBS glass powders were higher than 90% within the visible range.
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42.70.Ce; 85.60.Pg; 71.55.Jv
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Jung, D., Hong, S., Cho, J. et al. Spherical shape BaO-ZnO-B2O3-SiO2 glass powders prepared by spray pyrolysis. Appl. Phys. A 89, 769–774 (2007). https://doi.org/10.1007/s00339-007-4169-4
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DOI: https://doi.org/10.1007/s00339-007-4169-4