Structure and chemical valence study of Sr n+1Ru nO3 n+1 ( n = 1, 2, ∞) series
Zheng Long†, Zhu Xiao-Qin, Sui Yong-Xing, Xue Jian-Zhong, Liu Bo, Pei Ming-Xu
       
Sr 3d core-level XPS spectra of Sr n +1Ru n O3 n +1 ( n = 1, 2, ∞). The peak positions are marked by the solid bars.