Comment on "Evidence for absence of metallic surface states in BiO2-terminated BaBiO3 thin films"

Diego Rubi, Ana María Llois, Verónica Vildosola

In a recent work by Ji Seop Oh et al., BaBiO3(001) thin films were grown on SrTiO3 by Pulsed Laser Deposition. It was argued that the films are BiO2-terminated from the modelling o…