Structure and chemical valence study of Sr n+1Ru nO3 n+1 ( n = 1, 2, ∞) series

Structure and chemical valence study of Sr_n+1Ru_nO_{3 n+1} ( n = 1, 2, ∞) series

Zheng Long†, Zhu Xiao-Qin, Sui Yong-Xing, Xue Jian-Zhong, Liu Bo, Pei Ming-Xu

Schematic illustration of the unit cells of (a) Sr₂RuO₄ with space group I 4/ mmm , (b) Sr₃Ru₂O₇ with space group I 4/ mmm , and (c) SrRuO₃ with space group Pnma . (d) Schematic illustration of the rotation (upper) and tilting (down) effect between RuO₆ octahedra. Ru ions are in the center of each octahedra.