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- W2384657341 abstract "NiFe2O4ferrite was prepared by sol-gel method. The microstructures, morphology, dielectric properties and electromagnetic properties were analyzed by XRD, FESEM and a vector network analyzer.Impedance matching solution maps were designed to obtain the matching frequency and matching thickness. Microwave absorption properties of the NiFe2O4single-layer absorber coating and double-layers composite ferrite absorbing coating were studied. The results show that a pure spinel structure of NiFe2O4is formed at 1 200 ℃. The NiFe2O4 samples have good frequency characteristics that both the real of permittivity and permeability is lower and the imaginary is larger, which are suitable for the production of matching layer. The minimum reflectance of the NiFe2O4single-layer absorber coating is-21 dB at 5.92 GHz. The bandwidth that reflectance lower than-10 dB reaches 3.2 GHz. The bandwidth of carbonyl iron-NiFe2O4double-layer composite coating reflectance lower than-10 dB reaches7 GHz when the thicknesses of NiFe2O4 and carbonyl iron are respectively 1.5 and 0.5 mm." @default.
- W2384657341 created "2016-06-24" @default.
- W2384657341 creator A5066389827 @default.
- W2384657341 date "2013-01-01" @default.
- W2384657341 modified "2023-09-23" @default.
- W2384657341 title "Preparation of NiFe_2O_4 Ferrite by Sol-Gel Method and Microwave Absorption Properties" @default.
- W2384657341 hasPublicationYear "2013" @default.
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