Correlation between oxygen evolution reaction activity and surface compositional evolution in epitaxial La <sub>0.5</sub> Sr <sub>0.5</sub> Ni <sub> 1− <i>x</i> </sub> Fe <sub> <i>x</i> </sub> O <sub> 3− <i>δ</i> </sub> thin filmsPrajwal Adiga, Yingge Du, Cindy Wong et al.|Nanoscale|2022Cited by 14