Journal
MATERIALS TRANSACTIONS
Volume 59, Issue 1, Pages 19-22Publisher
JAPAN INST METALS
DOI: 10.2320/matertrans.MB201702
Keywords
proton conductor; electrical conductivity; perovskite; co-doping
Funding
- International Institute for Carbon Neutral Research (I2CNER)
- World Premium International Research Center Initiative (WPI), Japan
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The influences of In-and Y-doping on the electrical conduction properties of barium zirconate were investigated. The electrical conductivity measured on of BaZr1-x-yInxYyO3-delta (x=0, 0.1, 0.2 and y=0, 0.1, 0.2) could be understood that yttrium doping causes high bulk conductivity and indium doping leads to lowering activation energy of the grain boundary. Co-doping of yttrium and indium promotes the enhancement effect of improving the bulk conductivity and lowering of activation energy, and it is thus expected that the co-doping with yttrium and indium can work for controlling the bulk and grain boundary conduction specifically in the materials.
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