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Acta Chimica Sinica >

2012 , Vol. 70 >Issue 06: 728 - 734

DOI: https://doi.org/10.6023/A1106202

Special Topic

Preparation and Electrical-magnetic Properties of Zn0.6Mn0.2Ni0.2Fe2O4/poly(o-toluidine) Composites

  • Xiao Qiushi ,
  • Xu Qingqing ,
  • Li Liangchao ,
  • Qiu Haizhen ,
  • Chen Haifeng ,
  • Xu Feng
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  • Department of Chemistry, Institute of Physical Chemistry, Zhejiang Normal University, Jinhua 321004

Received date: 2011-06-20

  Revised date: 2011-11-01

  Online published: 2011-12-14

Supported by

The project supported by the National Natural Science Foundation of China (No. 21071125) and the Science and Technology Key Project of Zhejiang Province (No. 2010C11053).

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Abstract

Zn0.6Mn0.2Ni0.2Fe2O4 ferrite and their poly(o-toluidine) composites (ZMNF/POT) were prepared by a chemical precipitation method and an in situ polymerization method, respectively. Their composition, structure, morphology, conductivity and magnetic properties were characterized by means of modern testing technology. The results showed that the ZMNF particles were covered well by the POT, the conductivity of composites were mainly attributed to the POT content, while their magnetic properties were related to the ZMNF content. In the range of 1～15 MHz, the dielectric loss and conductivity of the POT and ZMNF/POT composites had better consistency with their conductivity; the magnetic loss of the composites was quite considerable and superior to that of the magnetic type ZMNF, and reached the maximum when the content of ZMNF is 31.74 wt% in the composites. The composites are hoped to used as advancing microwave absorption and shielding materials.

Key words： poly(o-toluidine); Zn0.6Mn0.2Ni0.2Fe2O4; conductivity; magnetic properties; electro-magnetic loss

Cite this article

Xiao Qiushi , Xu Qingqing , Li Liangchao , Qiu Haizhen , Chen Haifeng , Xu Feng . Preparation and Electrical-magnetic Properties of Zn0.6Mn0.2Ni0.2Fe2O4/poly(o-toluidine) Composites[J]. Acta Chimica Sinica, 2012 , 70(06) : 728 -734 . DOI: 10.6023/A1106202

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