Magnetoelectric response in lead-free multiferroic NiFe2O4-Na0.5Bi0.5TiO3 composites

被引：62

作者：

Babu, S. Narendra ^{[1
]}

Hsu, Jen-Hwa ^{[1
]}

Chen, Y. S. ^{[2
]}

Lin, J. G. ^{[2
]}

机构：

[1] Natl Taiwan Univ, Dept Phys, Taipei 106, Taiwan

[2] Natl Taiwan Univ, Ctr Condensed Matter Sci, Taipei 106, Taiwan

来源：

JOURNAL OF APPLIED PHYSICS | 2011年 / 109卷 / 07期

关键词：

MAGNETIC-PROPERTIES; DIELECTRIC-PROPERTIES; ELECTRICAL-PROPERTIES; NICKEL FERRITE;

D O I：

10.1063/1.3540623

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

Multiferroic composites that comprise NiFe2O4(NFO) and Na0.5Bi0.5TiO3(NBT) are synthesized using the sol-gel method. The results of XRD and scanning electron microscopy indicate the single-phase formation of NFO and NBT and the presence of two phases in the composites. The dielectric constant and dielectric loss are determined as functions of frequency over a wide range of frequencies from 40 Hz to 1 MHz. Room-temperature magnetization measurements show that these composites are soft magnetic. Further, the multiferroic character is confirmed by their magnetoelectric (ME) response at room temperature. The optimal ME response is 0.14% in a 67NFO-33NBT composite. The present study demonstrates that NFO-NBT could be effective as a lead-free multiferroic composite and provides an alternative for environmental-friendly ME devices. (c) 2011 American Institute of Physics. [doi: 10.1063/1.3540623]

引用

页数：3

共 30 条

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