Research Paper

Nanocrystalline NiZn Ferrite Prepared by Refluxing Method and Mechanism of Spinel Formation

  • ZHONG Hai-Sheng ,
  • LI Qiang ,
  • ZHANG Yi-Ling ,
  • ZHONG Zhi-Feng ,
  • ZHANG Yang
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  • (1. Department of Chemistry, Tsinghua University, Beijing 100084, China; 2. Department of Material Science and Engineering , Tsinghua University, Beijing 100084, China)

Received date: 2005-11-22

  Revised date: 2006-02-08

  Online published: 2006-11-20

Abstract

Nanocrystalline NiZn ferrite powders with spinel structure were prepared by a new chemical method---refluxing method. Refluxing time and the mechanism of NiZn ferrite spinel formation were discussed based on the XRD analysis and pH value measurement. The results show that the optimum refluxing time is 6h. The particle sizes of Ni0.5Zn0.5Fe2O4 nano-powders prepared by the refluxing method are about 10~20nm with TEM analysis, and the results of HRTEM AND SAED approve that Ni0.5Zn0.5Fe2O4 nano-powders prepared are with the single spinel phase. VSM results reveal that the prepared Ni0.5Zn0.5Fe2O4 powder has typical soft magnetic characteristics.

Cite this article

ZHONG Hai-Sheng , LI Qiang , ZHANG Yi-Ling , ZHONG Zhi-Feng , ZHANG Yang . Nanocrystalline NiZn Ferrite Prepared by Refluxing Method and Mechanism of Spinel Formation
[J]. Journal of Inorganic Materials, 2006
, 21(6) : 1477 -1481 . DOI: 10.3724/SP.J.1077.2006.01477

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