Effect of structure on magnetoelectric properties of CoFe2O4-BaTiO3 multiferroic composites

被引:36
作者
Duong, Giap V.
Groessinger, R.
Turtelli, R. Sato
机构
[1] Vienna Univ Technol, Inst Solid State Phys, A-1040 Vienna, Austria
[2] Hanoi Univ Technol, Fac Chem Engn, Hanoi, Vietnam
基金
奥地利科学基金会;
关键词
magnetoelectric effect; multiferroic composite; effect of structure; barium titanate; cobalt ferrite;
D O I
10.1016/j.jmmm.2006.10.338
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
The 50%CoFe2O4--50%BaTiO3 (in mass) composites with four different building structures, namely: CoFe2O4-BaTiO3 core-shell structure with CoFe2O4 in core, BaTiO3-CoFe2O4 core-shell structure with BaTiO3 in core, CoFe2O4-BaTiO3 mixed structure, and BaTiO3-CoFe2O4-BaTiO3 layer structure, have been synthesized and studied. The core-shell structures give higher magnetoelectric (ME) coefficients compared to the other structures. When using CoFe2O4 as core, the ME coefficient is highest, reaching 3.4 mV cm(-1) Oe(-1) for the sample pressed at 6 ton/cm(2) and sintered at 1250 degrees C for 12 h. (c) 2006 Elsevier B.V. All rights reserved.
引用
收藏
页码:E361 / E363
页数:3
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