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Elsevier, Solid State Ionics, (262), p. 865-869, 2014

DOI: 10.1016/j.ssi.2013.11.044

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Incorporation of a proton into La0.9Sr0.1(Yb1−Mx)O3−δ (M= Y, In)

Journal article published in 2014 by Yuji Okuyama ORCID, Shohei Ikeda, Takaaki Sakai, Hiroshige Matsumoto
This paper was not found in any repository, but could be made available legally by the author.
This paper was not found in any repository, but could be made available legally by the author.

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Abstract

In order to clarify the mixing effect of cation on the electrical conductivity and the hydration, the electrical conductivity of La0.9Sr0.1 (Yb1 - xMx)O3 - delta (M = In, Y) has been determined by the four-probe AC technique in the temperature range of 673-1173 K. The proton concentration was estimated from the change in weight due to hydration by a thermogravimetric analysis. The conductivity and proton concentration increased with the increase in the In3+ content on the Yb-site. On the other hand, the electrical conductivity and protonic concentration of La0.9Sr0.1(Yb1 - xYx)O3 - delta showed minimum values at x = 0.5.