Preparation and characterization of microwave absorbing composite materials with GSs or FeCo/GS composites

[Display omitted] •It is found that adding GSs or FeCo/GSs composite into the sample SiC/NR can greatly increase RL and the absorbing peak shifts to low-frequency with increasing the adding amount.•The optimum adding amount of GSs is 2%. The sample GS-200-2% possesses the lowest RL value of −31.27 d...

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