Electronic Spin transition in FeO${}_2$: evidence for Fe(II) with peroxide O${}_2^{2-}$

Bo Gyu Jang, Jin Liu, Qingyang Hu +5

The discovery of FeO${}_2$ containing more oxygen than hematite (Fe${}_2$O${}_3$) that was previously believed to be the most oxygen rich iron compounds, has important implications…