A neutron diffraction study of magnetically ordered ferroelectric materials

被引：1
|
作者：
Ivanov, SA
Eriksson, SG
Tellgren, R
Rundlöf, H
机构：
[1] LY Karpov Phys Chem Res Inst, Moscow 103064, Russia
[2] Univ Gothenburg, Dept Inorgan Chem, Gothenburg, Sweden
[3] Uppsala Univ, Studsvik Neutron Res Lab, Nykoping, Sweden
[4] Uppsala Univ, Angstrom Lab, Uppsala, Sweden
来源：
EUROPEAN POWDER DIFFRACTION EPDIC 8 | 2004年 / 443-4卷
关键词：
complex perovskites; magnetoelectrics; neutron powder diffraction;
D O I：
10.4028/www.scientific.net/MSF.443-444.383
中图分类号：
O7 [晶体学];
学科分类号：
0702 ; 070205 ; 0703 ; 080501 ;
摘要：
Structural, magnetic, dielectric properties and Mossbauer effect were investigated on complex perovskite with composition AlFe2/3B1/3O3 (A=Ca,Sr,Pb,Ba; B=W,Te). The most striking feature of this type of complex perovskites is the coexistence of magnetic and anti ferroelectric types of ordering in a certain temperature interval. It was found that ferrimagnetic Ca and Sr compounds belong to a partially ordered perovskite structure, and anti ferromagnetic Pb phase to a disordered one. The possible models for nuclear and magnetic structures were proposed in accordance with the observed dielectric and magnetic properties.
引用
收藏
页码：383 / 386
页数：4
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