Preparation of Bi2O3-B2O3-ZnO-BaO-SiO2 glass powders with spherical shape by spray pyrolysis

Seung Kwon Hong, Hye Young Koo, Dae Soo Jung, Il Soon Suh, Yun Chan Kang

Research output: Contribution to journalArticle

33 Citations (Scopus)

Abstract

Bi2O3-B2O3-ZnO-BaO-SiO2 glass powders were firstly prepared by spray pyrolysis. Bi2O3-B2O3-ZnO-BaO-SiO2 glass powders prepared by spray pyrolysis had complete spherical shape and micron size at the optimum preparation temperatures. One micron-sized glass powder was formed from one droplet by drying, decomposition and melting processes. The dielectric layers formed from the glass powders prepared by spray pyrolysis had clean surface, dense inner structure, and high transparencies. The maximum transparency of the dielectric layer formed from the glass powders obtained by spray pyrolysis was 89% at the firing temperature of 580 °C. The transparencies of the dielectric layers formed from the glass powders obtained by spray pyrolysis at preparation temperature of 1250 °C decreased from 90 to 67% when the firing temperatures of the layers were changed from 580 to 520 °C.

Original languageEnglish
Pages (from-to)215-219
Number of pages5
JournalJournal of Alloys and Compounds
Volume437
Issue number1-2
DOIs
Publication statusPublished - 2007 Jun 28
Externally publishedYes

Fingerprint

Spray pyrolysis
Powders
Glass
Transparency
Temperature
boron oxide
Drying
Melting
Decomposition

Keywords

  • Amorphous materials
  • Chemical synthesis
  • Gas-solid reaction

ASJC Scopus subject areas

  • Mechanics of Materials
  • Mechanical Engineering
  • Metals and Alloys
  • Materials Chemistry

Cite this

Preparation of Bi2O3-B2O3-ZnO-BaO-SiO2 glass powders with spherical shape by spray pyrolysis. / Hong, Seung Kwon; Koo, Hye Young; Jung, Dae Soo; Suh, Il Soon; Kang, Yun Chan.

In: Journal of Alloys and Compounds, Vol. 437, No. 1-2, 28.06.2007, p. 215-219.

Research output: Contribution to journalArticle

Hong, Seung Kwon ; Koo, Hye Young ; Jung, Dae Soo ; Suh, Il Soon ; Kang, Yun Chan. / Preparation of Bi2O3-B2O3-ZnO-BaO-SiO2 glass powders with spherical shape by spray pyrolysis. In: Journal of Alloys and Compounds. 2007 ; Vol. 437, No. 1-2. pp. 215-219.
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AU - Kang, Yun Chan

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