Paper Title:
Synthesis of Nano-Sized Barium Titanate Powder by Rotary-Hydrothermal Process
  Abstract

Nano-sized BaTiO3 powders with narrow size distribution and the high tetragonality were attempted to synthesize by the rotary-hydrothermal process in water system, using two kinds of commercial anatase-type TiO2 (ST21/ST01) with different particle size and Ba(OH)2. The rotary-hydrothermal syntheses were done with the rotary-speed of 20 revolutions per minute at 523 K for 24 h. Highly- and mono-dispersed BaTiO3 powders were successfully synthesized by applying the rotary-hydrothermal process. For rotary-hydrothermal synthesis, it was found that the average size, tetragonality, and quality of the BaTiO3 particle strongly depended on the particle size of the starting material. In the case of using ST01 as a starting material, BaTiO3 nano-powders mainly composed of coarse-faceted particles (average particle size = ca.100 nm) with the tetragonal phase and very little lattice defects were successfully synthesized.

  Info
Periodical
Key Engineering Materials (Volumes 421-422)
Edited by
Tadashi Takenaka, Hajime Haneda, Kazumi Kato, Masasuke Takata and Kazuo Shinozaki
Pages
269-272
DOI
10.4028/www.scientific.net/KEM.421-422.269
Citation
T. Kubo, M. Hogiri, H. Kagata, A. Nakahira, "Synthesis of Nano-Sized Barium Titanate Powder by Rotary-Hydrothermal Process", Key Engineering Materials, Vols. 421-422, pp. 269-272, 2010
Online since
December 2009
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$32.00
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