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

页码：87 / 96

页数：10

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