Nicola Marzari, Iurii Timrov, Michele Kotiuga, Lorenzo Bastonero
We present a first-principles study of the low-temperature rhombohedral phase of BaTiO3 using Hubbardcorrected density-functional theory. By employing density-functional perturbation theory, we compute the onsite Hubbard U for Ti(3d) states and the intersi ...
Amer Physical Soc2023