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A new strontium lithium titanate with composition SrLi 2 Ti 6 O 14 has been discovered in the ternary system SrO - Li 2 O - TiO 2 . Single crystals of this compound have been grown by the flux method. The structure of SrLi 2 Ti 6 O 14 has been solved using X-ray data (Mo-K α radiation, orthorhombic, space group Cmca, Z = 8, with a = 16.570(5), b = 11.150(2), c = 11.458(2) Å , R1 = 0.039 (wR 2 = 0.087)). The crystal structure is built by edge and corner sharing TiO 6 octahedra which form layers parallel to the (100) plane. Consecutive layers deduced from a mirror plane parallel to (100) are linked by common corners in the a direction. Lithium atoms in tetrahedral coordination occupy vacancies of the framework of titanium octahedra, while strontium atoms lie in 11-coordinated sites between two successive layers.
Koseva et al. (Wed,) studied this question.