Electronic structure of CuTeO4 and its relationship to cuprates

Based on first-principles calculations, the electronic structure of ${\mathrm{CuTeO}}_{4}$ is discussed in the context of superconducting cuprates. Despite some significant crystallographic differences, we find that ${\mathrm{CuTeO}}_{4}$ is similar to these cuprates, exhibiting a quasi-two-dimensional electronic structure that involves hybridized Cu-$d$ and O-$p$ states in the vicinity of the Fermi level, along with an antiferromagnetic insulating ground state. Hole-doping this material by substituting ${\mathrm{Te}}^{6+}$ with ${\mathrm{Sb}}^{5+}$ would be of significant interest.