典型文献
High-performance microwave absorption enabled by Co3O4 modified VB-group laminated VS2 with frequency modulation from S-band to Ku-band
文献摘要：
High performance microwave absorption(MA)materials especially those with tunable frequency are highly desirable for telecommunication industries and military camouflage in the information era.Herein,we constructed hierarchical heterostructures based on VB-group laminated vanadium disulfide(VS2)nanosheets embedded with cobalt tetroxide(Co3O4)nanoparticles.The highly dispersed Co3O4 nanopar-ticles generate strong electromagnetic coupling networks that could enhance the loss properties of MA materials.Moreover,the interconnected VS2 layered network results in dipolar/interfacial polarization,multiple reflection and scattering favorable for the enhanced MA performance.Impressively,the maxi-mum reflection loss of the VS2/Co3O4 hybrids containing 10％Co3O4 can reach 57.96 dB at a thin thick-ness of 1.57 mm,and the bandwidth with an RL value less than-10 dB is as large as 3.5 GHz.The effective MA band could be adjusted in a range of 15.1 GHz(2.9-18 GHz)from S to Ku bands by the in-crease in thickness from 1.2 mm to 5.5 mm.The results show that the synergistic effect of multiple loss mechanisms and good impedance matching could be the reasons for strong MA capability in nearly all frequency bands,and thus,the high-performance and lightweight MA materials could be developed by the VS2/Co3O4 hybrids.
文献关键词：
中图分类号：
作者姓名：
Zehao Huang;Junye Cheng;Huibin Zhang;Yingfei Xiong;Zhanxin Zhou;Qingbin Zheng;Guangping Zheng;Deqing Zhang;Maosheng Cao
作者机构：
School of Materials Science and Engineering,Qiqihar University,Qiqihar 161006,China;Department of Materials Science and Engineering,Hong Kong Polytechnic University,Hung Hom,Kowloon,Hong Kong,China;School of Science and Engineering,The Chinese University of Hong Kong,Shenzhen 518172,China;School of Materials Science and Engineering,Beijing Institute of Technology,Beijing 100081,China
文献出处：
引用格式：
[1]Zehao Huang;Junye Cheng;Huibin Zhang;Yingfei Xiong;Zhanxin Zhou;Qingbin Zheng;Guangping Zheng;Deqing Zhang;Maosheng Cao-.High-performance microwave absorption enabled by Co3O4 modified VB-group laminated VS2 with frequency modulation from S-band to Ku-band)[J].材料科学技术（英文版）,2022(12):155-164
A类：
tetroxide
B类：
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AB值：
0.524066
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