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Influence of B-site ion valence on ion conduction for perovskite-type Li ion conductor, (La2/3–1/3p Li p )(Mg1/2W1/2)O3 (p =0.05, 0.11 and 0.14)

Published online by Cambridge University Press:  01 February 2011


Tetsuhiro Katsumata
Affiliation:
1–5–1 Mejiro, Toshima-ku, Tokyo 171–8588, Japan
Megumi Takahata
Affiliation:
1–5–1 Mejiro, Toshima-ku, Tokyo 171–8588, Japan
Nobuko Mochizuki
Affiliation:
1–5–1 Mejiro, Toshima-ku, Tokyo 171–8588, Japan
Yoshiyuki Inaguma
Affiliation:
1–5–1 Mejiro, Toshima-ku, Tokyo 171–8588, Japan

Abstract

We synthesized perovskite-type Li ion conductor, (La2/3–1/3p Li p )(Mg1/2W1/2)O3 (p =0.05, 0.11 and 0.14), and investigated the variation of the Li ion conductivity with p. Furthermore, the variation of the activation energy with the valence of B-site ion was elucidated from the site potential at A-site and a bottleneck position. As results, it is suggested that the Coulomb repulsion between B-site and Li ions at the bottleneck dominates the activation energy for (La2/3–1/3p Li p )(Mg1/2W1/2)O3.


Type
Research Article
Copyright
Copyright © Materials Research Society 2005

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References

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Influence of B-site ion valence on ion conduction for perovskite-type Li ion conductor, (La2/3–1/3p Li p )(Mg1/2W1/2)O3 (p =0.05, 0.11 and 0.14)
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Influence of B-site ion valence on ion conduction for perovskite-type Li ion conductor, (La2/3–1/3p Li p )(Mg1/2W1/2)O3 (p =0.05, 0.11 and 0.14)
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Influence of B-site ion valence on ion conduction for perovskite-type Li ion conductor, (La2/3–1/3p Li p )(Mg1/2W1/2)O3 (p =0.05, 0.11 and 0.14)
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