Manifest charge-transfer physics in T${}^{\prime }$-La${}_2$NiO${}_4$

Wiktoria Lewandowski, Steffen Bötzel, Ilya M. Eremin +1

The La${}_2$NiO${}_4$ compound stabilizes in nature in the so-called T structure with octahedral oxygen coordination of the Ni site. Motivated by a similarly existing polymorph for La$…