BaCeO3-based ceramics with Gd, Yb and Nd dopants were synthesized using conventional ceramic powder methods and were characterized by the following measurements: complex impedance to measure the bulk and grain boundary conductivity; the water uptake or loss in different environments; and the influence of normal and heavy water uptake on the conductivity of the samples. Conductivity and gravimetric measurements of all the samples show strong evidence of proton conduction, including a classical hydrogen/deuterium isotope effect. The influence of the gas ambient and the temperature on water uptake during annealing pretreatment is demonstrated and may be a significant factor in the discrepancies in the literature of these materials.
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NAGOYA UNIV, SCH ENGN, SYNTH CRYSTAL RES LAB, CHIKUSA KU, NAGOYA, AICHI 464, JAPANNAGOYA UNIV, SCH ENGN, SYNTH CRYSTAL RES LAB, CHIKUSA KU, NAGOYA, AICHI 464, JAPAN
TANIGUCHI, N
HATOH, K
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NAGOYA UNIV, SCH ENGN, SYNTH CRYSTAL RES LAB, CHIKUSA KU, NAGOYA, AICHI 464, JAPANNAGOYA UNIV, SCH ENGN, SYNTH CRYSTAL RES LAB, CHIKUSA KU, NAGOYA, AICHI 464, JAPAN
HATOH, K
NIIKURA, J
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NAGOYA UNIV, SCH ENGN, SYNTH CRYSTAL RES LAB, CHIKUSA KU, NAGOYA, AICHI 464, JAPANNAGOYA UNIV, SCH ENGN, SYNTH CRYSTAL RES LAB, CHIKUSA KU, NAGOYA, AICHI 464, JAPAN
NIIKURA, J
GAMO, T
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NAGOYA UNIV, SCH ENGN, SYNTH CRYSTAL RES LAB, CHIKUSA KU, NAGOYA, AICHI 464, JAPANNAGOYA UNIV, SCH ENGN, SYNTH CRYSTAL RES LAB, CHIKUSA KU, NAGOYA, AICHI 464, JAPAN
GAMO, T
IWAHARA, H
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NAGOYA UNIV, SCH ENGN, SYNTH CRYSTAL RES LAB, CHIKUSA KU, NAGOYA, AICHI 464, JAPANNAGOYA UNIV, SCH ENGN, SYNTH CRYSTAL RES LAB, CHIKUSA KU, NAGOYA, AICHI 464, JAPAN
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NAGOYA UNIV, SCH ENGN, SYNTH CRYSTAL RES LAB, CHIKUSA KU, NAGOYA, AICHI 464, JAPANNAGOYA UNIV, SCH ENGN, SYNTH CRYSTAL RES LAB, CHIKUSA KU, NAGOYA, AICHI 464, JAPAN
TANIGUCHI, N
HATOH, K
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NAGOYA UNIV, SCH ENGN, SYNTH CRYSTAL RES LAB, CHIKUSA KU, NAGOYA, AICHI 464, JAPANNAGOYA UNIV, SCH ENGN, SYNTH CRYSTAL RES LAB, CHIKUSA KU, NAGOYA, AICHI 464, JAPAN
HATOH, K
NIIKURA, J
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NAGOYA UNIV, SCH ENGN, SYNTH CRYSTAL RES LAB, CHIKUSA KU, NAGOYA, AICHI 464, JAPANNAGOYA UNIV, SCH ENGN, SYNTH CRYSTAL RES LAB, CHIKUSA KU, NAGOYA, AICHI 464, JAPAN
NIIKURA, J
GAMO, T
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NAGOYA UNIV, SCH ENGN, SYNTH CRYSTAL RES LAB, CHIKUSA KU, NAGOYA, AICHI 464, JAPANNAGOYA UNIV, SCH ENGN, SYNTH CRYSTAL RES LAB, CHIKUSA KU, NAGOYA, AICHI 464, JAPAN
GAMO, T
IWAHARA, H
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NAGOYA UNIV, SCH ENGN, SYNTH CRYSTAL RES LAB, CHIKUSA KU, NAGOYA, AICHI 464, JAPANNAGOYA UNIV, SCH ENGN, SYNTH CRYSTAL RES LAB, CHIKUSA KU, NAGOYA, AICHI 464, JAPAN