Local inversion-symmetry breaking in a bismuthate high-$T_c$ superconductor

S. Griffitt, M. Spaić, J. Joe +6

The doped perovskite BaBiO${}_3$ exhibits a maximum superconducting transition temperature ($T_c$) of 34 K and was the first high-$T_c$ oxide to be discovered, yet pivotal questions…