Tetragonal BaCoO${}_3$: A Co${}^{4+}$ Ferromagnetic Mott Insulator with Inverted Spin Crossover

Mingyu Xu, Haozhe Wang, Krishna Prasad Koirala +13

The interplay between crystal electric field splitting of d states and Hund's rule exchange energy in cobalt-based perovskites offers a promising avenue for inducing spin-state tra…