Enhanced oxygen intake/release kinetics of BaYMn2O5+δ fine powders prepared by a wet-chemical route
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概要
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The effect of grain size on the oxygen intake/release kinetics were investigated for double-perovskite type BaYMn2O5+δ (δ = 0.0–1.0). The preparation of BaYMn2O5+δ with larger specific surface area was achieved by low-temperature firing (down to 900°C) of precursors obtained from a wet-chemical route. The oxygen intake/release rates at 500°C were found to increase significantly in the resultant BaYMn2O5+δ fine powders, indicating a key role of the powder surface in the oxygen intake/release processes.
- 公益社団法人 日本セラミックス協会の論文
著者
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Masubuchi Yuji
Graduate School Of Engineering Hokkaido Univ. Sapporo 060-8628 Jpn
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Motohashi Teruki
Faculty Of Science And Technology Keio University
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UEDA Taku
Faculty of Engineering, Hokkaido University
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MASUBUCHI Yuji
Faculty of Engineering, Hokkaido University
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KIKKAWA Shinichi
Faculty of Engineering, Hokkaido University
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