典型文献
Understanding the efficient microwave absorption for FeCo@ZnO flakes at elevated temperatures a combined experimental and theoretical approach
文献摘要：
Considerable microwave absorption performance at elevated temperatures is highly demanded in both civil and military fields.Single dielectric or magnetic absorbers are difficult to attain efficient and broad-band microwave absorption at the high temperature range of 373 K-573 K,and the evolution mech-anism of the microwave absorption is still unclear especially for the magnetic absorbers.Herein,ZnO coated flaky-FeCo composite is proposed to break through the bottleneck,which possesses microwave absorption(RL＜-10 dB)that covering the whole X band(8.2 GHz-12.4 GHz)at the temperature range of 298 K-573 K with a thickness of only～2 mm.Moreover,attenuation mechanism and evolution of the microwave absorption properties for the FeCo@ZnO flaky material at elevated temperature has been clearly disclosed by the composition and microstructure characterizations,electromagnetic performance measurements and first principles calculations for the first time.Moreover,the Poynting vector,volume loss density,magnetic field(H)and electric field(E)are simulated by HFSS to understand the interac-tion between EM waves and the samples at different temperatures,further elaborating the attenuation mechanism in high-temperature environment.This study provides guidance in designing and developing high-temperature microwave absorbers for the next generation.
文献关键词：
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作者姓名：
Kangsen Peng;Chuyang Liu;Yuhan Wu;Gang Fang;Guoyue Xu;Yujing Zhang;Chen Wu;Mi Yan
作者机构：
School of Material Science and Technology,Nanjing University of Aeronautics and Astronautics,Nanjing 211106,China;State Key Laboratory of Silicon Materials,Zhejiang University,Hangzhou 310027,China;School of Materials Science and Engineering,Nanjing University of Science and Technology,Nanjing 210094,China
文献出处：
引用格式：
[1]Kangsen Peng;Chuyang Liu;Yuhan Wu;Gang Fang;Guoyue Xu;Yujing Zhang;Chen Wu;Mi Yan-.Understanding the efficient microwave absorption for FeCo@ZnO flakes at elevated temperatures a combined experimental and theoretical approach)[J].材料科学技术（英文版）,2022(30):212-221
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AB值：
0.552524
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