The Synthesis, Characterization and Microwave Properties of ZnCo-Substituted W-Type Barium Hexaferrite, from a Sol-Gel Precursor |
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| Authors: | Haijun Zhang Zhichao Liu Xi Yao Liangying Zhang Mingzhong Wu |
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| Affiliation: | (1) High Temperature Ceramics Institute, Zhengzhou University, Henan, 450052, People's Republic of China;(2) Department of Mechanical Engineering, Jiaozuo Institute of Technology, Henan, 454100, People's Republic of China;(3) Functional Materials Research Laboratory, Tongji University, Shanghai, 200092, People's Republic of China |
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| Abstract: | The preparation of BaZn2 – xCoxFe16O27 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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| Keywords: | BaZn2 – ZCoZFe16O27 hexaferrites sol-gel microwave properties |
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