Characteristics of BaNd2Ti5O14 powders directly prepared by high-temperature spray pyrolysis

You Na Ko, Dae Soo Jung, Jin Man Han, Hye Young Koo, Man Jong Lee, Yun Chan Kang

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

BaNd2Ti5O14 powders were directly prepared by high-temperature spray pyrolysis. The powders prepared at temperatures of 1300 and 1500 °C exhibited a pure BaNd2Ti5O14 phase. The powders prepared at 1300 °C were spherical in shape. However, the powders prepared at 1500 °C showed non-spherical shapes. The BaNd2Ti5O14 powders had a composition similar to that of the spray solution. The mean sizes of the BaNd2Ti5O14 powders increased from 0.23 to 0.60 μm when the concentration of the spray solution was increased from 0.01 to 0.2 M. At a sintering temperature of 1100 °C, bridge-like structures were formed between the powders. Pellets sintered at 1300 °C exhibited a dense structure comprising rod-like crystals.

Original languageEnglish
Pages (from-to)63-68
Number of pages6
JournalCeramics International
Volume36
Issue number1
DOIs
Publication statusPublished - 2010 Jan
Externally publishedYes

Keywords

  • A. Powders: chemical preparation
  • A. Powders: gas phase reaction

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Ceramics and Composites
  • Process Chemistry and Technology
  • Surfaces, Coatings and Films
  • Materials Chemistry

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