Magnetoelectric CoFe2O4-lead zirconate titanate thick films prepared by a polyvinylpyrrolidone-assisted sol-gel method

被引：89

作者：

Wan, Jian-guo ^{[1
]}

Zhang, Hao

Wang, Xiuwei

Pan, Dengyu

Liu, Jun-ming

Wang, Guanghou

机构：

[1] Nanjing Univ, Dept Phys, Solid State Microstruct Lab, Nanjing 210093, Peoples R China

[2] Chinese Acad Sci, Int Ctr Mat Phys, Shenyang 110016, Peoples R China

来源：

APPLIED PHYSICS LETTERS | 2006年 / 89卷 / 12期

基金：

中国国家自然科学基金;

关键词：

COMPOSITES; BULK;

D O I：

10.1063/1.2357589

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

Magnetoelectric CoFe2O4-PZT (lead zirconate titanate) films as thick as 1 mu m have been prepared by spin coating using a PZT sol-gel solution containing polyvinylpyrrolidone and CoFe2O4 powder. X-ray diffraction result reveals that there exists no chemical reaction or phase diffusion between the CoFe2O4 and PZT phases. The scanning electron microscopy observation confirms that the composite thick film is crack-free and has a well-defined microstructure. The composite thick films exhibit good magnetic and ferroelectric properties, as well as distinct magnetoelectric coupling behavior. The magnetoelectric coupling mechanism for the present composite thick film is discussed in detail. (c) 2006 American Institute of Physics.

引用

页数：3

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