Figure 3 : Electrostatic potential, refering to the most stable configurations of the (top left) ideal interface, (top right) TiGa exchange, (bottom left) SrLa exchange, and (bottom right) SrTiLaGa exchange.

From: Suppression of the two-dimensional electron gas in LaGaO3/SrTiO3 by cation intermixing

Figure 3