Characterization of bismuth compounds synthesized via hydrothermal oxidation of metal powders.

Naruhiko Masaki; Satoshi Uchida; Tsugio Sato

doi:10.14853/pcersj.2002F.0.418.0

15th Fall Meeting of The Ceramic Society of Japan

DOI https://doi.org/10.14853/pcersj.2002F.0.418.0

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Host: The Ceramic Society of Japan

Characterization of bismuth compounds synthesized via hydrothermal oxidation of metal powders.

Naruhiko Masaki, Satoshi Uchida, Tsugio Sato

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Keywords: Bismuth oxide, Powder Morphology, Hydrothermal Synthesis, Bismuth Titanate

CONFERENCE PROCEEDINGS FREE ACCESS

Pages 418

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Abstract

Hydrothermal oxidation of metal process has advantages to avoid unpleasant influence of anions caused by raw materials and/or to enable controlling size and morphology of particles. In this study, hydrothermal oxidation of Bi metal in KOH and NaOH solutions at 150∼250°C was investigated. The bismuth titanates such as Bi₁₂TiO₂₀ and A_0.5Bi_0.5TiO₃ (A=Na, K) were obtained successfully by hydrothermal oxidation of a mixture of Bi and Ti metal powders.

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