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Abstract An emerging carbothermal shock method is an ultra‐convenient strategy for synthesizing high‐entropy alloys (HEAs), in which the intelligent combination of carbon support and HEAs can be serve as a decisive factor for interpreting the trade‐off relationship between conductive gene and dielectric gene. However, the feedback mechanism of HEAs ordering degree on electromagnetic (EM) response in 2–18 GHz has not been comprehensively demystified. Herein, while lignin‐based carbon fiber paper (L‐CFP) as carbon support, L‐CFP/FeCoNiCuZn‐X with is prepared by carbothermal shock method. The reflection loss of −82.6 dB with thickness of 1.31 mm is achieved by means of pointing electron enrichment within L‐CFP/FeCoNiCuZn HEAs heterointerfaces verified by theoretical calculations. Simultaneously, low‐frequency evolution with high‐intensity and broadband EM response relies on a “sacrificing” strategy achieved by construction of polymorphic L‐CFP/semi‐disordered‐HEAs heterointerfaces. The practicality of L‐CFP/FeCoNiCuZn‐X in complex environments is given prominence to thermal conductivity, hydrophobicity, and electrocatalytic property. This work is of great significance for insightful mechanism analysis of HEAs in the application of electromagnetic wave absorption.
Wang et al. (Sun,) studied this question.
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