Enhanced bulk conductivity of A-site divalent acceptor-doped non-stoichiometric sodium bismuth titanate

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• 作者：Fan Yang ; Patrick Wu ; Derek C. Sinclair ; ^{d.c.sinclair@sheffield.ac.uk}
• 关键词：Sodium bismuth titanate ; Oxide-ion conductors ; Doping ; Non-stoichiometry
• 刊名：Solid State Ionics
• 出版年：2017
• 出版时间：January 2017
• 年：2017
• 卷：299
• 期：Complete
• 页码：38-45
• 全文大小：1709 K
• 卷排序：299

文摘

Bismuth-deficient NBT is an excellent oxide-ion conductor. A-site divalent doping further enhances bulk ionic conductivity of Bi-deficient NBT. A-site doping is a complex interplay among dopant ionic size, polarizability and binding energy with oxygen.