Fabrication and electromagnetic characteristics of microwave absorbers containing Li_(0.35)Zn_(0.3)Fe_(2.35)O_4 micro-belts and nickel-coated carbon fibers

摘要

Li_(0.35)Zn_(0.3)Fe_(2.35)O_4 micro-belts were prepared by cotton template. The nickel-coated carbon fibers were obtained by electroless plating method. The formation mechanism of the ferrite micro-belt was studied. The electromagnetic properties of the microwave absorbers were investigated in the frequency range of 30-6000 MHz. The double-layer absorbers have better microwave absorption properties than the nickel-coated carbon fibers single-layer absorbers and the microwave absorption properties of the composites are influenced by the thickness of the absorber.