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Kinetic study and modeling of coarsening in a BaTiO<sub>3</sub> powder at 850 °C

Authors
  • Valdivieso, Françoise
  • Pijolat, Michèle
  • Magner, Claude
  • Soustelle, Michel
Publication Date
Jan 01, 1996
Identifiers
DOI: 10.1016/0167-2738(95)00253-7
OAI: oai:HAL:emse-00610265v1
Source
HAL-Descartes
Keywords
Language
English
License
Unknown
External links

Abstract

The influence of the gaseous atmosphere and the Ba/Ti ratio on the decrease in specific surface area in a BaTiO<sub>3</sub> powder was studied at 850 °C. A model involving elementary steps and the BaTiO<sub>3</sub> point defects was proposed to quantitatively account for the accelerating effect of the water vapour pressure and the Ba/Ti ratio.

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