Fig. 1: The polar oxide Li2SrTa2O7.
From: Directed synthesis of a hybrid improper magnetoelectric multiferroic material
a The polar crystal structure of Li2SrTa2O7 viewed down the [110] direction. b Observed (red crosses), calculated (green line), and difference (purple line) plots from the structural refinement of Li2SrTa2O7 against NPD data. Black, red, and blue tick marks indicate peak positions for the majority phase, the vanadium sample holder and a small quantity of Li3TaO4, respectively. c Particle-size dependent SHG data from Li2SrTa2O7 compared with an α-SiO2 standard.
