Low-temperature sintering characteristics of nano-sized BaNd 2Ti5O14 and Bi2O3-B 2O3-ZnO-SiO2 glass powders prepared by gas-phase reactions

You Na Ko, Dae Soo Jung, Jung Hyun Kim, Young Jun Hong, Yun Chan Kang

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

Nano-sized BaNd2Ti5O14 (BNT) powders were prepared by spray pyrolysis from solutions containing ethylenediaminetetraacetic acid and citric acid. Treatment at temperatures ≥900 °C and subsequent milling resulted in nanoparticle powders with orthorhombic crystal structures. The mean particle size of the powder post-treated at 1000 °C was 160 nm. Nano-sized Bi2O3-B2O3-ZnO-SiO 2 glass powder with 33 nm average particle size was prepared by flame spray pyrolysis and used as a sintering agent for the BNT. BNT pellets sintered at 1100 °C without the glass had porous structures and fine grain sizes. Those similarly sintered with the glass had denser structures and larger grains.

Original languageEnglish
Pages (from-to)2112-2116
Number of pages5
JournalMaterials Research Bulletin
Volume46
Issue number11
DOIs
Publication statusPublished - 2011 Nov

Keywords

  • A. Amorphous materials
  • A. Glasses
  • A. Nanostructures
  • B. Chemical synthesis

ASJC Scopus subject areas

  • Materials Science(all)
  • Condensed Matter Physics
  • Mechanics of Materials
  • Mechanical Engineering

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