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典型文献
Microwave absorption properties regulation and bandwidth formula of oriented Y2Fe17N3-δ@SiO2/PU composite synthesized by reduction-diffusion method
文献摘要：
As concepts closely related to microwave absorption properties,impedance matching and phase matching were rarely combined with material parameters to regulate properties and explore related mechanisms.In this work,reduction-diffusion method was innovatively applied to synthesize rare earth alloy Y2Fe17.In order to regulate the electromagnetic parameters of absorbers,the Y2Fe17N3-δ particles were coated with silica(Y2Fe17N3-δ@SiO2)and absorbers with different volume fractions were prepared.The relationship between impedance matching,matching thickness,and the strongest reflection loss peak(RLmin)was presented obviously.Compared to the microwave absorption properties of Y2Fe17N3-δ/PU absorber,Y2Fe17N3-δ@SiO2/PU absorbers are more conducive to the realization of microwave absorption material standards which are thin thickness,light weight,strong absorbing intensity,and broad bandwidth.Based on microwave frequency bands,the microwave absorption properties of the absorbers were analyzed and the related parameters were listed.As an important parameter related to perfect matching,reflection factor(√εr/μr)was discussed combined with microwave amplitude at-tenuation.According to the origin and mathematical model of bandwidth,the formula of EAB(RL＜-10 dB)was derived and simplified.The calculated bandwidths agreed well with experimental results.
文献关键词：
中图分类号：
[1] 医药、卫生（R） / 药学（R9） / 药理学（R96） / 实验药理学（R965）
[2] 数理科学和化学（O） / 力学（O3） / 振动理论（O32） / 非线性振动（O322）
[3] 医药、卫生（R） / 基础医学（R3） / 病理学（R36） / 病理过程（R364）
作者姓名：
Hao Wang;Liang Qiao;Zu-Ying Zheng;Hong-Bo Hao;Tao Wang;Zheng Yang;Fa-Shen Li
作者机构：
Institute of Applied Magnetism,Key Laboratory for Magnetism and Magnetic Materials of Ministry of Education,Lanzhou University,Lanzhou 730000,China;State Key Laboratory of Baiyunobo Rare Earth Resource Researches and Comprehensive Utilization,Baotou 014000,China
文献出处：
中国物理B（英文版）
引用格式：
[1]Hao Wang;Liang Qiao;Zu-Ying Zheng;Hong-Bo Hao;Tao Wang;Zheng Yang;Fa-Shen Li-.Microwave absorption properties regulation and bandwidth formula of oriented Y2Fe17N3-δ@SiO2/PU composite synthesized by reduction-diffusion method)[J].中国物理B（英文版）,2022(11):384-394
A类：
Y2Fe17N3,Y2Fe17,tenuation
B类：
Microwave,absorption,properties,regulation,formula,oriented,SiO2,PU,composite,synthesized,by,reduction,diffusion,method,concepts,closely,related,microwave,impedance,matching,phase,were,rarely,combined,material,parameters,regulate,explore,mechanisms,In,this,work,was,innovatively,applied,earth,alloy,order,electromagnetic,absorbers,particles,coated,silica,different,volume,fractions,prepared,relationship,between,thickness,strongest,reflection,loss,peak,RLmin,presented,obviously,Compared,more,conducive,realization,standards,which,thin,light,weight,absorbing,intensity,broad,Based,frequency,bands,analyzed,listed,important,perfect,discussed,amplitude,According,origin,mathematical,model,EAB,dB,derived,simplified,calculated,bandwidths,agreed,well,experimental,results
AB值：
0.49254
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