Oxygen vacancy formation energies in Sr-doped complex perovskites: ab initio thermodynamic study

Denis Gryaznov, Mike W. Finnis, Robert Evarestov +1

La1-xSrxCo0.25Fe0.75O3-delta is known as one of the best cathode materials for permeation membranes and solid oxide fuel cells. Optimization of its chemical composition is a challe…