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Abstract
The citrate sol-gel synthesis technique was used to prepared Ba2ZnZCo2-ZFe12O22/SiO2 microcrystalline glass ceramic with Z=2.0, 1.6, 1.2, and 0.8. Several methods such as X-ray diffractometry, scanning electron microscopy and HP vector network analyzer were used to obtain detailed information on the crystallography and magnetic properties of Ba2ZnZCo2-ZFe12O22/SiO2 microcrystal- line glass ceramic. The correlation of the formation of Ba2ZnZCo2-ZFe12O22/SiO2 microcrystalline glass ceramic with thermal treatment was studied. The complex dielectric constant and complex permeability of microcrystalline glass ceramic-paraffin wax composites were measured by the transmission/reflection coaxial line method in the range from 100MHz to 6 GHz. The effects of composition, annealing temperature and measuring frequency on complex permittivity and permeability of Ba2ZnZCo2-ZFe12O22/SiO2 microcrystalline glass ceramic were also investigated.