Enhanced microwave absorption properties of rod-shaped Fe2O3/Fe3O4/MWCNTs composites

作     者：Lina Huang Xiaofang Liu Ronghai Yu 

作者机构：School of Materials Science and EngineeringBeihang University 

出 版 物：《Progress in Natural Science:Materials International》 (自然科学进展·国际材料(英文))

年 卷 期：2018年第28卷第3期

页      面：288-295页

核心收录：

学科分类：08[工学] 0805[工学-材料科学与工程（可授工学、理学学位）] 080502[工学-材料学] 

基　　金：supported by the National Natural Science Foundation of China (No. 51102006 and 51472012) Beijing Municipal Science and Technology Project (No. D14110300240000) 

主　　题：Fe2O3/Fe3O4/MWCNTs composites Microwave absorption Electromagnetic properties MWCNTs 

摘      要：A novel type of composite absorber,***2O3/Fe3O4/MWCNTs composites（0%,1.7%and 5%MWCNTs）,with microwave absorption properties was successfully fabricated by a facile hydrothermal *** preparedα-Fe2O3/Fe3O4nanoparticles displayed rod-shaped *** complex permittivity and permeability of the Fe2O3/Fe3O4/MWCNTs composites distinctly increased,furthermore,with the introduction of MWCNTs,the Fe2O3/Fe3O4/MWCNTs composites exhibited fine microwave absorption performance with strong absorption and wide absorption *** particular,for Fe2O3/Fe3O4/1.7%MWCNTs composite with an absorber thickness of 2.5 mm,the reflection loss（RL）reached a minimum of-44.1 d B at 10.4 GHz and the effective absorption bandwidth（RL2O3/Fe3O4/MWCNTs composites was attributed to the high dielectric loss and improved impedance matching which was closely related to the rod-shaped morphology of Fe2O3,Fe3O4and the introduction of MWCNTs.