Dielectric and magnetic coupling in lead-free FeAlO3 magnetoelectric compound

被引：18
|
作者：
Cotica, L. F. [1 ]
Santos, I. A. [2 ]
Venet, M. [3 ]
Garcia, D. [3 ]
Eiras, J. A. [3 ]
Coelho, A. A. [4 ]
机构：
[1] Univ Estadual Centro Oeste, CEDETEG, Dept Fis, BR-85040080 Guarapuava, PR, Brazil
[2] Univ Estadual Maringa, Dept Fis, Maringa, Parana, Brazil
[3] Univ Fed Sao Carlos, Grp Ceram Ferroelect DF, Sao Carlos, SP, Brazil
[4] Univ Estadual Campinas, Inst Fis Gleb Wataghin, Campinas, SP, Brazil
来源：
SOLID STATE COMMUNICATIONS | 2008年 / 147卷 / 3-4期
基金：
巴西圣保罗研究基金会;
关键词：
ferroelectrics; magnetically ordered materials; chemical synthesis; phase transitions;
D O I：
10.1016/j.ssc.2008.05.001
中图分类号：
O469 [凝聚态物理学];
学科分类号：
070205 ;
摘要：
A lead-free FeAlO3 multiferroic magnetoelectric compound was obtained through the sol-gel technique with subsequent annealing in an oxidative atmosphere. Dielectric investigations revealed a frequency-and temperature-dependent dielectric anomaly, which can be probably coupled to the sample magnetic ordering at around 220 K. These results indicate that the lead-free FeAlO3 magnetoelectric compound, which has a lower environmental impact in comparison to other multiferroics, is a potential candidate to be employed in areas where the magnetoelectric effect can be exploited. (C) 2008 Elsevier Ltd. All rights reserved.
引用
收藏
页码：123 / 125
页数：3
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