Fig. 4: XPS spectra of fresh and cycled samples.
a, b O 1s and Fe 2p for La1.03FeO3 and La1.03FeO3-20, c, d O 1s and Fe 2p for LaFeO3 and LaFeO3-20, e, f O 1s and Fe 2p of La0.97FeO3 and La0.97FeO3-20.
Fig. 4: XPS spectra of fresh and cycled samples. | Nature Communications
