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

doi:10.3724/SP.J.1077.2006.01477

Abstract

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 Ni_0.5Zn_0.5Fe₂O₄ nano-powders prepared by the refluxing method are about 10~20nm with TEM analysis, and the results of HRTEM AND SAED approve that Ni_0.5Zn_0.5Fe₂O₄ nano-powders prepared are with the single spinel phase. VSM results reveal that the prepared Ni_0.5Zn_0.5Fe₂O₄ powder has typical soft magnetic characteristics.

Key words: refluxing method, NiZn ferrite, spinel

CLC Number:

TB321
TB383

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, DOI: 10.3724/SP.J.1077.2006.01477.

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

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