Size-controlled hydrothermal synthesis of bismuth sodium and bismuth potassium titanates fine particles and application to lead-free piezoelectric ceramics

Kiyoshi Kanie, Yoshiki Numamoto, Shintaro Tsukamoto, Takafumi Sasaki, Masafumi Nakaya, Junji Tani, Hirofumi Takahashi, Atsushi Muramatsu

Research output: Contribution to journalArticlepeer-review

18 Citations (Scopus)

Abstract

Cubic-shaped Bi0.5Na0.5TiO3 (BNT) and Bi0.5K0.5TiO3 (BKT) fine particles with narrow size distribution were directly prepared as a single phase from a suspension of TiO2 anatase nanoparticles mixed with Bi(OH)3 in aqueous alkaline metal hydroxides solutions by highly condensed hydrothermal method at 200-250°C for several hours. It was investigated that the effect of particle mean size on the piezoelectric properties of thus obtained BNT and BKT fine particles.

Original languageEnglish
Pages (from-to)1396-1401
Number of pages6
JournalMaterials Transactions
Volume52
Issue number7
DOIs
Publication statusPublished - 2011 Jul

Keywords

  • Fine particle
  • Perovskite
  • Piezoelectric compound
  • Piezoelectricity
  • Sodium bismuth titanate

ASJC Scopus subject areas

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

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