Wave absorption properties of Cu/C hollow fibers derived from ceiba-fiber templates
Materials Science and Engineering: B（2023）
Abstract
•Cu/C hollow absorbing fibers were prepared using hollow ceiba fiber as template.•Cu/C hollow fibers exhibited excellent absorbing performance.•Cu/C hollow fibers had a minimum RL of −51.34 dB.•Cu/C hollow fibers had the widest absorption bandwidth of 6.1 GHz.•Hollow structure lengthened the wave transmission path and improve dielectric loss.
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Key words
Hollow absorbing fiber,Attenuation coefficient,Impedance matching,Bio-template,Carbonization
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