Citation: Hyett, G.; Clarke, S.J.; Rutt, O.J.; Gal, Z.A.; Denis, S.G.; Hayward, M.A. (2004). Electronically driven structural distortions in lithium intercalates of the n=2 Ruddlesden-Popper-type host Y2 Ti2 O5 S2: synthesis, structure and properties of Lix Y2 Ti2 O5 S2 (0 < x <2). Journal of the American Chemical Society, 126, pp. 1980-1991.