Nishimatsu, Takeshi; Gruenebohm, Anna; Waghmare, Umesh V.; Kubo, Momoji
(Physical Society Japan, 2016)
We present a semi-empirical effective Hamiltonian to capture effects of disorder associated with Ba and Sr cations occupying A sites in (BaxSr1-x)TiO3 on its ferroelectric phase transition. Averaging between the parameters ...