MATERIALS TRANSACTIONS
Online ISSN : 1347-5320
Print ISSN : 1345-9678
ISSN-L : 1345-9678
Investigation of the Electrical Properties in Indium and Yttrium-Doped Barium Zirconate Based Proton Conducting Perovskites
Young-Sung LeeYasuhiro TakamuraYi-Hsuan LeeKwati LeonardHiroshige Matsumoto
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2018 Volume 59 Issue 1 Pages 19-22

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Abstract

The influences of In- and Y-doping on the electrical conduction properties of barium zirconate were investigated. The electrical conductivity measured on of BaZr1−xyInxYyO3−δ (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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© 2017 The Japan Institute of Metals and Materials
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