Chemical structure of grain-boundary layer in SrTiO<sub>3</sub> and its segregation-induced transition: A continuum interface approach

Chemical structure of grain-boundary layer in SrTiO₃ and its segregation-induced transition: A continuum interface approach

Gu Hui^†

(color online) Schematic diagram of space charge model for GB non-stoichiometry to accommodate intrinsic defects in SrTiO₃; adapted from Refs. [14] and [15]. This extended configuration of GB chemistry receives acceptor dopant by their segregation to the space charge zones.