Dielectric, magnetic and magnetoelectric properties of multiferroic BiFe0.5Cr0.5O3-NiFe2O4 composites

被引：58
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 10617, Taiwan
[2] Natl Taiwan Univ, Ctr Condensed Matter Sci, Taipei 10617, Taiwan
来源：
JOURNAL OF APPLIED PHYSICS | 2010年 / 107卷 / 09期
关键词：
TEMPERATURE;
D O I：
10.1063/1.3360353
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
Multiferroic composites of NiFe2O4 (NFO) and BiFe0.5Cr0.5O3 (BFCO) are synthesized and their dielectric, magnetic, and magnetoelectric (ME) properties are measured at room temperature. NFO-BFCO forms a two-phase composite. The composite has a larger magnetization and dielectric constant than those of both parent compounds, due to the effects of interfacial strain on BFCO. Furthermore, the ME response in NFO-BFCO is about one time larger than that of BFCO, revealing the success of magnetic control of the dielectric response via the mechanical coupling, which can be exploited in the future applications of multiferroic composites. (C) 2010 American Institute of Physics. [doi:10.1063/1.3360353]
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页数：3
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