A comparative study of different solvothermal methods for the synthesis of Sn2+-doped BaTiO3 powders and their dielectric properties

Yahong Xie, Shu Yin, Takatoshi Hashimoto, Yuichi Tokano, Atsushi Sasaki, Tsugio Sato

研究成果: Article査読

8 被引用数 (Scopus)

抄録

Ternary oxides containing Sn2+ are rare and difficult to prepare by the conventional solid state reactions due to the disproportionation of Sn2+ to Sn4+ and Sn at high temperatures. In this article, Sn2+-doped barium titanate, Ba1-x Sn x TiO3 (x = 0.00, 0.02, 0.05, and 0.10) nanopowders were successfully synthesized at a moderate temperature by a microwave-assisted solvothermal reaction (MSR) and a solvothermal reaction with rolling (SRR). The powders obtained using the MSR and SRR consisted of nanoparticles of 20-50 nm and 100-120 nm in diameter, respectively. The dielectric constant of the sample increased by doping with a small amount of Sn2+ (x 0.05), but decreased by doping in excess amounts of it.

本文言語English
ページ(範囲)725-732
ページ数8
ジャーナルJournal of Materials Science
45
3
DOI
出版ステータスPublished - 2010 2月

ASJC Scopus subject areas

  • 材料科学(全般)
  • 材料力学
  • 機械工学

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