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Ferroelectrics Volume 380, 2009 - Issue 1
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Original Articles

Multiferroic Properties of CoFe2O4/PbZr0.52Ti0.48O3 Composite Ceramics

Xiaobo Wu National Laboratory of Solid State Microstructures, Physics Department, Nanjing University, Nanjing, 210093, P. R. China; Physics Department, Nanjing Medical University, Nanjing, 210029, P. R. China
,
Wei Cai National Laboratory of Solid State Microstructures, Physics Department, Nanjing University, Nanjing, 210093, P. R. China
,
Yi Kan National Laboratory of Solid State Microstructures, Physics Department, Nanjing University, Nanjing, 210093, P. R. China
,
Pan Yang National Laboratory of Solid State Microstructures, Physics Department, Nanjing University, Nanjing, 210093, P. R. China
,
Yunfei Liu National Laboratory of Solid State Microstructures, Physics Department, Nanjing University, Nanjing, 210093, P. R. China
,
Huifeng Bo National Laboratory of Solid State Microstructures, Physics Department, Nanjing University, Nanjing, 210093, P. R. China
,
Xiaomei Lu National Laboratory of Solid State Microstructures, Physics Department, Nanjing University, Nanjing, 210093, P. R. China
&
Jinsong Zhu National Laboratory of Solid State Microstructures, Physics Department, Nanjing University, Nanjing, 210093, P. R. China
 show all
Pages 48-55 | Received 03 Aug 2008, Accepted 31 Dec 2008, Published online: 20 Sep 2010
 
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Abstract

The xCoFe 2 O 4 -(1−x)PbZr 0.52 Ti 0.48 O 3 (PZT) composite ceramics with x = 0.1, 0.2 and 0.3 have been prepared by solid state reaction method. X-ray diffraction result reveals that no chemical reaction or phase diffusion between the CoFe 2 O 4 and PZT phases exists in the composites. The composites exhibited ferroelectric as well as magnetic characteristics at room temperature. The distribution of the ferroelectric and magnetic domains has been observed by Scanning Probe Microscopy (SPM). The dielectric properties of the composite ceramics were also investigated. The dependence of dielectric properties and the morphology of both the ferroelectric and magnetic domains on CoFe 2 O 4 concentration were discussed in detail.

Acknowledgment

This research was supported by the National Natural Science Foundation of China (50672034 and 10021001), NJU test foundation and NJMU Science Develop Foundation (06NMUM010).

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