Citation: Abakumov, Artem M.; Erni, Rolf; Tsirlin, Alexander A.; Rossell, Marta D.; Batuk, Dmitry; N\'enert, Gwilherm; Van Tendeloo, Gustaaf (2013). Frustrated Octahedral Tilting Distortion in the Incommensurately Modulated Li3xNd2/3--xTiO3 Perovskites. Chemistry of Materials, 25, pp. 2670-2683.