The structure modulation in the Bi2Sr4Fe2O10 compound

被引：4
作者：
Sedykh, V [1 ]
Smirnova, IS
Bagautdinov, B
Hagiya, K
Ohmasa, M
Suvorov, EV
Dubovitskii, AV
Shekhtman, VS
机构：
[1] Russian Acad Sci, Inst Solid State Phys, Chernogolovka 142432, Moscow, Russia
[2] Himeji Inst Technol, Dept Life Sci, Kamigori, Hyogo 6781297, Japan
[3] Russian Acad Sci, Inst Problems Chem Phys, Chernogolovka 142432, Moscow, Russia
来源：
PHYSICA C | 2001年 / 355卷 / 1-2期
基金：
日本学术振兴会; 俄罗斯基础研究基金会;
关键词：
Bi2Sr4Fe2O single crystals; modulated structures; X-ray diffraction analysis; transmission electron microscopy; Mossbauer spectroscopy;
D O I：
10.1016/S0921-4534(00)01775-5
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
The influence of the extra Sr layer introduced into Bi2Sr3Fe2O9 (the obtained Bi2Sr4Fe2O10 compound) on the structure modulation has been investigated by X-ray diffraction analysis, electron microscopy and Mossbauer spectroscopy. It has been found that the obtained single crystals are characterized by the averaged orthorhombic cell with the lattice parameters a = 5.4227(7) Angstrom, b = 5.4248(8) Angstrom and c = 18.600(3) Angstrom and two-component modulations of the structure with the vector (0,1 1/4.97, 1/2). The real structure of the compound consists of domains tilted relative to each other by 90 degrees around the c-axis. (C) 2001 Elsevier Science B,V. All rights reserved.
引用
收藏
页码：87 / 96
页数：10
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