Preparation and Microwave Absorption Properties of FeCoV/GO/Coupling Agent Composites in S Band
Journal of Electronic Materials(2024)
摘要
FeCoV alloy/graphene oxide (GO)/coupling agent composites were prepared by the ball-milling method. The microstructure and phase of the composites were detected by scanning electron microscope and x-ray diffraction. The electromagnetic parameters were characterized by the Agilent vector network analyzer in the frequency range of 1–18 GHz. The value of the minimum reflection loss (RLmin) for the FeCoV alloy/GO/coupling agent composites can reach − 17.1 dB at 2.8 GHz with a thickness of 2 mm, accompanied by a bandwidth (<− 10 dB) of 0.8 GHz. The impedance matching properties of the composites were greatly improved by the addition of the coupling agent. The superior absorption properties for the FeCoV/GO/coupling agent composites can be used widely as microwave absorption materials in the S band.
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关键词
Composites,reflection loss (RL),microwave absorbing,coupling agent,impedance matching
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