Effect of structure on oxygen diffusivity in layered oxides: a combined theoretical and experimental study
Chang Sub Kim, Kyoung-Won Park, Dmitri Kalaev, Clément Nicollet, Harry L. Tuller
Abstract
Effect of structure on oxygen diffusion D 0 in two different structures of La 2 CuO 4 . Higher density of mobile defects in T-structure leads to higher D 0 , but the lower activation energy for T′-structure is correlated with its lower migration energy.
Topics & Concepts
Thermal diffusivityOxygenActivation energyDiffusionMaterials scienceChemical physicsChemistryCondensed matter physicsThermodynamicsPhysical chemistryPhysicsOrganic chemistryElectronic and Structural Properties of OxidesMagnetic and transport properties of perovskites and related materialsAdvancements in Solid Oxide Fuel Cells