Spherical shape BaO-ZnO-B2O3-SiO2 glass powders prepared by spray pyrolysis

D. S. Jung, S. K. Hong, J. S. Cho, Yun Chan Kang

Research output: Contribution to journalArticle

10 Citations (Scopus)

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.

Original languageEnglish
Pages (from-to)769-774
Number of pages6
JournalApplied Physics A: Materials Science and Processing
Volume89
Issue number3
DOIs
Publication statusPublished - 2007 Nov 1
Externally publishedYes

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Spray pyrolysis
Powders
Glass
Temperature
boron oxide
Transparency

ASJC Scopus subject areas

  • Chemistry(all)
  • Materials Science(all)

Cite this

Spherical shape BaO-ZnO-B2O3-SiO2 glass powders prepared by spray pyrolysis. / Jung, D. S.; Hong, S. K.; Cho, J. S.; Kang, Yun Chan.

In: Applied Physics A: Materials Science and Processing, Vol. 89, No. 3, 01.11.2007, p. 769-774.

Research output: Contribution to journalArticle

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