Surface protonic conduction in porous alkaline earth zirconate perovskites CaZrO<sub>3</sub>, SrZrO<sub>3</sub>, and BaZrO<sub>3</sub>
Jie Gu, Xinwei Sun, Lulu Jiang, Zihan Zhang, Truls Norby, Donglin Han
Abstract
Conduction of protons in chemisorbed and physisorbed water layers on the surface of AZrO 3 (A = Ca, Sr, Ba) perovskite oxides, depending on compositions (A-site cations and deficiency) and microstructures (controlled by sintering conditions).
Topics & Concepts
Materials sciencePerovskite (structure)ZirconateSinteringAlkaline earth metalThermal conductionMicrostructureMineralogyInorganic chemistryCrystallographyCeramicComposite materialChemistryMetallurgyMetalTitanateAdvancements in Solid Oxide Fuel CellsCatalysis and Oxidation ReactionsElectronic and Structural Properties of Oxides