Preprints of Annual Meeting of The Ceramic Society of Japan
Preprints of Fall Meeting of The Ceramic Society of Japan
24th Fall Meeting of The Ceramic Society of Japan
Session ID : 3J18
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Host: The Ceramic Society of Japan

Preparation and Characteristics of Proton Conducting Oxide Nano-particles using Planetary Bead-mill
*Takaaki Sakai, Yuji Okuyama, Tatsumi Ishihara, Hiroshige Matsumoto
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Keywords: Proton Conducting Oxide, Single Nano Particles, Planetary Bead-mill, Top-down Method, Perovskite Oxide
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Abstract
In this study, we demonstrate that planetary bead-milling can provide nanosize precursor powders with markedly high sinterability, using BaZrO3 that is a typical proton-conducting oxide with low sinterability. The most frequent particle diameter of the bead-milled BaZrO3 powder evaluated by SAXS, DLS and TEM was around 2 nm. By using the bead-milled powder, the dense BarZrO3 was obtained at about 1400oC, which is 400oC lower than usual. We also discuss the effect of bead-milling on microstructure and conductivity. In addition, in this study, we also discuss the planetary bead-milling using proton-conducting oxide other than BaZrO3.
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© The Ceramic Society of Japan 2011
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