Impact of growth atmosphere on langatate (La3Ga5.5Ta0·5O14) crystals grown by czochralski technique and its coloration. - Boutahraoui, B.; Ghezal, E.A.; Nehari, A.; Zaidat, K.; Allani, M.; Cabane, H.; Dumortier, M.; Gerasymov, I.; Sidletskiy, O.; Obbade, S.; Jouffret, L.; Lebbou, K. (Optical Materials, 2022)