Interplay of $d$- and $p$-states in RbTi${}_3$Bi${}_5$ and CsTi${}_3$Bi${}_5$ flat-band kagome metals

M. Wenzel, E. Uykur, A. A. Tsirlin +4

Shifting the Fermi level of the celebrated $A{M}_3{X}_5$ (135) compounds into proximity of flat bands strongly enhances electronic correlations and severely affects the formation of de…