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Oxygen potentials of (Am$$_{0.5}$$Np$$_{0.5}$$)O$$_{2-x}$$

Otobe, Haruyoshi  ; Akabori, Mitsuo; Arai, Yasuo; Minato, Kazuo 

The oxygen potentials of the oxygen-deficient fluorite-type oxide Am$$_{0.5}$$Pu$$_{0.5}$$O$$_{2-x}$$ were measured by the electrochemical method with using a zirconia solid-electrolyte. The coulomb titration has been made for the sample at 1333 K over 0.02 $$<$$ ${it x}$ $$leq$$ 0.25. The oxygen potentials were -93.63 and -440.18 kJmol$$^{-1}$$ for ${it x}$ = 0.021 and 0.25 at 1333 K, respectively. The temperature dependence of the oxygen potentials was also measured between 1000 and 1333 K over the ${it x}$ range of 0.02 $$<$$ ${it x}$ $$leq$$ 0.243. The temperature dependence was almost linear over the ${it x}$ and temperature ranges concerned.

Language

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English

Journal

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Journal of the American Ceramic Society

Volume

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92

Number

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1

Pages

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p.174 - 178

Publication Year/Month

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2009/01

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Held date

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Location (country)

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Patent information

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PDF

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Paper URL

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https://doi.org/10.1111/j.1551-2916.2008.02828.x

DOI for research data

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Keywords

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no keyword

Research Facility

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BECKY(バックエンド研究施設)  

Press Release

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Article of JAEA R&D Review

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Cooperating Institute

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日本原子力発電; 東京電力; 東北電力

Accesses

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- Accesses

InCites™

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Percentile:42.38

Category:Materials Science, Ceramics

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