Observation of Electride-like $s$ States Coexisting with Correlated $d$ Electrons in NdNiO${}_2$

Chihao Li, Yutong Chen, Xiang Ding +13

Despite exhibiting a similar $d_{x^2-y^2}$ band character to cuprates, infinite-layer nickelates host additional electron pockets that distinguish them from single-band cuprates. T…