Oxygen vacancy localization and anisotropic oxygen anion transport in Sr1−xYxCoO3−δ (x = 0.1, 0.2) under solid oxide fuel cell cathode conditions

In-situ neutron diffraction reveals the vacancy localization, associated lattice distortion, and inferred oxygen transport pathways in Sr0.9Y0.1CoO3−δ and Sr0.8Y0.2CoO3−δ.111