Abstract
AbstractIn this work, a novel nanofibrous absorber composed of FeCo alloy and ZnO nanoparticles (denoted as FeCo/ZnO NFs) is fabricated through electrospinning and subsequent calcination and hydrogen reduction. Benefiting from the advantages of their unique 1D and derived 3D network hierarchical structure, as well as the good synergistic effect between magnetic FeCo alloy and dielectric ZnO within the 1D nanospace, the present FeCo/ZnO NFs exhibit outstanding microwave absorption properties with an optimal reflection loss value of −83.4 dB and an effective absorption bandwidth of 8 GHz (10.0–18 GHz) at a small coating thickness of only 1.3 mm. Such performance is remarkably superior to those of many previously reported magnetic ZnO‐based absorbers, highlighting the great application potential of FeCo/ZnO NFs in the field of microwave absorption.
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