|Title||Synthesis and crystal structure of two-layer indotitanates Sr2LnInTiO7|
|Publication Type||Journal Article|
|Year of Publication||2014|
|Authors||Titov, Yu.A, Belyavina, NM, Markiv, VYa., Slobodyanik, MS, Polubinskii, VV|
|Abbreviated Key Title||Dopov. Nac. akad. nauk Ukr.|
The extent of a region of compounds with layered perovskite-like structures (LPS) in the row of two-layer perovskites Sr2LnInTiO7 is determined. The new indotitanates Sr2LnInTiO7 (Ln – La, Pr, Nd, Sm) have been synthesized by heat treatment of equimolar mixtures Sr2TO4 + LnInO3, and their crystal LPS determined by X-ray powder diffraction. It is found that the LPS of Sr2LnInTiO7 (Ln – La, Pr, Nd, Sm) belongs to the BaLa2In2O7 – type structure (sp. gr. P42/mnm). The final RB values are equal to 0.060–0.069. The peculiarities of the two-layer LPS of Sr2LnInTiO7 are analyzed, and the composition – constitution correlations of the LPS have been identified.
|Keywords||crystal structure, synthesis, two-layer indotitanates|
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