Peculiarities of incommensurate-commensurate phase transitions in multiferroics

被引:3
|
作者
Zhdanov, A. G. [1 ]
Kosykh, T. B. [1 ]
Pyatakov, A. P. [1 ]
Zvezdin, A. K. [2 ]
Viehland, D. [3 ]
机构
[1] Moscow MV Lomonosov State Univ, Dept Phys, MSU, Moscow 119992, Russia
[2] Russian Acad Sci, Inst Gen Phys, Moscow 119991, Russia
[3] Virginia Tech, Dept Mat Sci & Engn, Blacksburg, VA 24061 USA
基金
俄罗斯基础研究基金会;
关键词
Multiferroics; Magnetoelectric effect; Ferroelectromagnets;
D O I
10.1016/j.jmmm.2005.10.186
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
Characteristic features of magnetic field-induced phase transitions incommensurate-commensurate (IC-C)phase in multiferroics are considered. An example of such substances is the ferroelectromagnet bismuth ferrite BiFeO3. It was shown that the interaction between electric and magnetic subsystems can result in electric field induced shift of critical value for the magnetic field, at which the phase transition from spatially modulated to the homogenous antiferromagnetic state takes place. This change has value 0.5 T in the electric field 50 kV/cm. Phase diagrams in the magnetic field-electric field coordinates are plotted. (C) 2005 Elsevier B.V. All rights reserved.
引用
收藏
页码:E437 / E439
页数:3
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