Inside Front Cover: An Angstrom‐Scale Protective Skin Grown In Situ on Perovskite Oxide to Enhance Stability in Water

Perovskite oxide has poor stability in aqueous reactions due to ion leaching. By one-step reduction, an angstrom-scale Fe2O3 protective skin decorated with FeNi nanoparticles was in situ grown on the Sr0.9Fe0.81Ta0.09Ni0.1O3-δ surface. The perovskite-based catalyst with protective skin exhibits excellent activity and outstanding stability in water splitting, as reported by Guangru Zhang, Wanqin Jin et al. in their Research Article (e202417360).