Abstract:This research program investigates the properties of grain boundaries in complex multicomponent or nonstoichiometric oxides, including those of interest for electroceramics applications. One area of current research is the relationship between complex lattice defect structures and the ionic space charge at grain boundaries. We focus on TiO2 as a system with lattice defect properties characteristic of many electroceramics, including nonstoichiometry and regimes of high electronic conductivity. Model experiments… Show more
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