Figure 1
From: First Principles Prediction of Topological Phases in Thin Films of Pyrochlore Iridates
Thin film geometry.
(a) “Sandwich” structure of system. (b) [111] grown bilayer lattice structure of Ir4+ ions in Y2Ir2O7. (c) [111] grown trilayer lattice structure of Ir4+ ions in Y2Ir2O7. Supercells used for bilayer (d) and trilayer (e) systems in first-principles density functional theory calculations.
