Asymmetric oxidation Atoms Binary alloys Chromium alloys Cr atoms Cyclohexanone monooxygenase Fe atoms Ferrite Ferritic Initial oxidation Iron alloys Iron oxides Metallic interconnect materials Metallic interconnects Molecular dynamics Omeprazole sulfoxide Oxidation Oxidation layers Oxidation process Oxidation rates Oxidation resistance Pichia pastoris Secretory expression Solid oxide fuel cells (SOFC) Solid-oxide fuel cell