Citation: Ishizawa, N.; Iwai, S.I.; Marumo, F. (1981). Compounds with Perovskite-Type Slabs. IV. Ferroelectric Phase Transitions in Sr2 (Ta(1-X) Nbx)2 O7 (X ca. 0.12) and Sr2 Ta2 O7. Acta Crystallographica B (24,1968-38,1982), 37, pp. 26-31.
Formula: Nb0.24 O7 Sr2 Ta1.76
Chemical name: Sr2 (Ta0.88 Nb0.12)2 O7
List type: interleaving
List: 2D
Basis: (1;0;0 0;0;1)
Dimensionality: 2
Formula: Nb4 O12 Ta4 (Nb O3 Ta)
Multiplicity: 1