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|Title:||Enhanced microwave magnetic and attenuation properties for Z-type barium ferrite composites with flaky fillers|
|Authors:||Li, Z.W. |
|Source:||Li, Z.W., Yang, Z.H., Kong, L.B. (2011-09-15). Enhanced microwave magnetic and attenuation properties for Z-type barium ferrite composites with flaky fillers. Journal of Applied Physics 110 (6) : -. ScholarBank@NUS Repository. https://doi.org/10.1063/1.3638448|
|Abstract:||Microwave attenuation characteristics and magnetic and dielectric properties have been studied for Ba3CoxZn 2-xFe24O41 with x = 0.8 and 2.0 ferrite flaky-filler composites. Results show that μ0′ and max ″ are enhanced by > 150 and > 70, respectively, and ′ and ″ are almost the same, as compared to conventional composites. Therefore, the percentage bandwidth WP is expanded from 110 to 150 for reflectivity RL ≤-10 dB for the flaky-filler composites, which achieves 75 of the theoretically maximum bandwidth. For all composites, two matching frequencies are found. The first matching frequency is attributed to the quarter-wavelength resonator and the second matching frequency is mainly determined by the values of both μ′ and ε′. At the second matching thickness, the flaky-filler composites also exhibit good attenuation characteristics with low reflectivity of RL|
|Source Title:||Journal of Applied Physics|
|Appears in Collections:||Staff Publications|
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