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The Synthesis, Characterization and Microwave Properties of ZnCo-Substituted W-Type Barium Hexaferrite, from a Sol-Gel Precursor

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Abstract

The preparation of BaZn2 − x Co x Fe16O27 W-type hexaferrites powders by a citrate sol-gel method has been investigated. The samples were characterized by TG-DSC, X-ray diffraction (XRD), scanning electron microscopy (SEM). The complex dielectric constant and complex permeability of hexaferrite-paraffin wax composites were measured by the transmission/reflection coaxial line method in the range from 50 MHz to 3 GHz. The dependence of complex dielectric constant and permeability on annealing temperature, composition and measuring frequency was presented.

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Authors and Affiliations

  1. High Temperature Ceramics Institute, Zhengzhou University, Henan, 450052, People's Republic of China

    Haijun Zhang

  2. Department of Mechanical Engineering, Jiaozuo Institute of Technology, Henan, 454100, People's Republic of China

    Zhichao Liu

  3. Functional Materials Research Laboratory, Tongji University, Shanghai, 200092, People's Republic of China

    Xi Yao, Liangying Zhang & Mingzhong Wu

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  1. Haijun Zhang
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  2. Zhichao Liu
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  3. Xi Yao
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  4. Liangying Zhang
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  5. Mingzhong Wu
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Zhang, H., Liu, Z., Yao, X. et al. The Synthesis, Characterization and Microwave Properties of ZnCo-Substituted W-Type Barium Hexaferrite, from a Sol-Gel Precursor. Journal of Sol-Gel Science and Technology 27, 277–285 (2003). https://doi.org/10.1023/A:1024060717937

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  • DOI: https://doi.org/10.1023/A:1024060717937

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