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

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

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作  者:郑龙 朱小芹 眭永兴 薛建忠 刘波 裴明旭 

机构地区:[1]School of Mathematics and Physics, Jiangsu University of Technology

出  处:《Chinese Physics B》2015年第5期428-432,共5页中国物理B(英文版)

基  金:the Jiangsu University of Technology

摘  要:Effect of structure parameter n and its coupling with the connection mode among RuO6 octahedra of Srn+1RUnO3n+1 (n = 1, 2, ∞) are investigated. The gradually enhanced rotation and tilting effect with increasing n are observed in Srn+1RUnO3n+1. Besides, the chemical valence of Ru is not changed, while the one of Sr gradually varies with increasing n, which highlights the great contribution of connection mode to the chemical environment. Our results show a strong n dependence on the connection mode between octahedra in Srn+1RUnO3n+1 (n = 1, 2, ∞).Effect of structure parameter n and its coupling with the connection mode among RuO6 octahedra of Srn+1RUnO3n+1 (n = 1, 2, ∞) are investigated. The gradually enhanced rotation and tilting effect with increasing n are observed in Srn+1RUnO3n+1. Besides, the chemical valence of Ru is not changed, while the one of Sr gradually varies with increasing n, which highlights the great contribution of connection mode to the chemical environment. Our results show a strong n dependence on the connection mode between octahedra in Srn+1RUnO3n+1 (n = 1, 2, ∞).

关 键 词:RUTHENATES structure parameter x-ray diffraction extended x-ray absorption fine structure 

分 类 号:O469[理学—凝聚态物理]

 

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