Features of local crystallographic, magnetic, and valence states of iron ions in Bi1 - X Sr x FeO3 perovskites at x = 0-0.67

被引：1
|
作者：
Pokatilov V.S. [1 ]
Konovalova A.O. [1 ]
Sigov A.S. [1 ]
机构：
[1] Electronics, and Automatics, Moscow State Technical University of Radiotechnology
来源：
Bulletin of the Russian Academy of Sciences: Physics | 2013年 / 77卷 / 6期
基金：
俄罗斯基础研究基金会;
关键词：
Perovskite; Oxygen Environment; Hyperfine Magnetic Field; 57Fe Nucleus; Strontium Content;
D O I：
10.3103/S1062873813060233
中图分类号：
学科分类号：
摘要：
Perovskites of the Bi1 - x Sr x FeO3 system (x = 0-0.67) at T = 295 K and T > T N are studied using the Mössbauer effect. When the strontium content x = 0.1-0.15, the structural transition from the rhombohedral to the cubic phase takes place. It is found that in samples of the Bi1 - x Sr x FeO3 system (x = 0.07-0.67), there are only two structurally nonequivalent states of iron ions that correspond to Fe3+ ions in octahedral and tetrahedral oxygen environments. © 2013 Allerton Press, Inc.
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收藏
页码：695 / 699
页数：4
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