BaCo2Fe16O27 Ferrite: Preparation by EDTA-Citrate Complexing Method and Electromagnetic PropertiesReport as inadecuate




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W-type ferrite BaCo2Fe16O27 was prepared by EDTA-citrate complexing method using EDTA and citrate as complexing agents. The influences of pH values on the crystal structure and morphology were analyzed by means of XRD and SEM. Moreover, microwave electromagnetic properties of the ferrite were studied by network analyzer. The results displayed that the chelation between metallic ions and ligand reached an excellent degree when the pH value was 7.05, and the pure BaCo2Fe16O27 ferrite with hexagonal flake shape could be obtained in this condition. In addition, the maximum reflection loss RL was about -15.9 dB at 11.3GHz, and the absorption bandwidth reached 4.6 GHz when RL was -10 dB.

KEYWORDS

W-type ferrite; EDTA-citrate complexing method; microwave electromagnetic property; reflection loss

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Author: Xiao-gu Huang, Li-xi Wang, Jiao Chen, Hong-zhou Wang, Qi-tu Zhang

Source: http://www.scirp.org/



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