Colossal intrinsic magnetoelectric effect in Pb(Fe2/3W1/3)0.83Ti0.17O3

被引：3
|
作者：
Fraygola, B. [1 ]
Coelho, Adelino A. [2 ]
Garcia, D. [1 ]
Eiras, J. A. [1 ]
机构：
[1] Univ Fed Sao Carlos, Dept Fis, Grp Ceram Ferroeletr, BR-13565670 Sao Carlos, SP, Brazil
[2] Univ Estadual Campinas, Inst Fis Gleb Wataghin, Dept Fis Aplicada, Lab Preparacao & Caracterizacao Mat, BR-13083859 Campinas, SP, Brazil
来源：
APPLIED PHYSICS LETTERS | 2012年 / 101卷 / 09期
基金：
巴西圣保罗研究基金会;
关键词：
The authors wish to thank FAPESP (Proc. 2008/04025-0 and 2010/11187-6) and CNPq for the financial support and to Mr. Francisco J. Picon and Mrs. Natalia A. Zanardi for the technical assistance;
D O I：
10.1063/1.4748819
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
Dielectric and magnetic properties were investigated in Pb(Fe2/3W1/3)(0.83)Ti0.17O3 ceramics. The dielectric constant in these samples exhibits colossal changes at the magnetic ordering temperature under the presence of bias external electric fields, which presents a close connection with magnetoelectrics effects (ME), confirming the possibility to control magnetic proprieties with electric fields. The ferroelectromagnetoelastic coefficient was determined from the dielectric response as a function of the electric field. The analysis of magnetic and dielectric susceptibilities based on the Landau-Devonshire thermodynamic formalisms indicates that the ME effects is a contribution of intrinsic ME coupling and a field dependent term. (C) 2012 American Institute of Physics. [http://dx.doi.org/10.1063/1.4748819]
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页数：3
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