Electromagnetic wave absorption properties of core double-shell structured alpha-Fe(Si)@Fe3O4@SiO2 composites

doi:10.1016/j.apsusc.2023.156345

IMR OpenIR

	Electromagnetic wave absorption properties of core double-shell structured alpha-Fe(Si)@Fe3O4@SiO2 composites
	Hou, Yuanzhao 1,2; Li, Binchuan 1,2; Chen, Jianshe 1,2; Shen, Xiaoyi 1,2; Wang, Bo 3; Liu, Kuiren 1,2; Wei, Shicheng 3; He, Xiaocai 4; Li, Da 5; Han, Qing 1,2
通讯作者	Wei, Shicheng() ; He, Xiaocai() ; Li, Da() ; Han, Qing(hanq@mail.neu.edu.cn)
	2023-04-01
发表期刊	APPLIED SURFACE SCIENCE
ISSN	0169-4332
卷号	615 页码:10
摘要	Core double-shell hierarchical structured alpha-Fe(Si)@Fe3O4@SiO2 (FFS) microwave absorbing composites have been fabricated by high-temperature mechano-chemical method. Heterogeneous interfaces of Fe/Si, alpha-Fe(Si)/ Fe3O4, Fe3O4/SiO2 and high-density defects were formed by coupling the controlled temperature field and mechanical force. A dramatic reduction in the average particle size of the composite powder was caused by increasing ball-to-powder ratio. Electromagnetic wave absorption (EMWA) performance of the FFS composites was investigated in the 2-18 GHz frequency range. A balance of impedance matching and strong attenuation characteristics was achieved due to the asymmetric charge distribution at the heterogeneous interfaces, high-density defects, natural resonance, and exchange resonance of the FFS composites. When the ball-to-powder ratio is 40:1, the minimum reflection loss (RLmin) of the FFS composite is-47.04 GHz at a frequency of 5.28 GHz with an absorption layer thickness of 3.1 mm. A broad effective absorbing bandwidth (EAB, RL <-10 dB) of 5.6 GHz (12.4-18 GHz) with a thickness of 1.3 mm covers almost the entire Ku-band. After annealing at 1173 K in an argon atmosphere, the FFS composite with 30:1 ball-to-powder ratio shows excellent EMWA performance in the S-band, where the RLmin reaches-50.18 dB at 2.88 GHz with a thickness of 5.0 mm.
关键词	High-temperature mechanochemical method Core double-shelled structure Electromagnetic wave absorption performance
资助者	National Key R & D Program of China ; National Natural Science Foundation of China ; National Defense Science and Technology Excellence Young Scientists Foundation ; Natural Science Foundation of Yunnan Province
DOI	10.1016/j.apsusc.2023.156345
收录类别	SCI
语种	英语
资助项目	National Key R & D Program of China[2019YFB1311100] ; National Natural Science Foundation of China[51905543] ; National Defense Science and Technology Excellence Young Scientists Foundation[2017- JCJQ-ZQ-001] ; Natural Science Foundation of Yunnan Province[202101AS070029]
WOS研究方向	Chemistry ; Materials Science ; Physics
WOS类目	Chemistry, Physical ; Materials Science, Coatings & Films ; Physics, Applied ; Physics, Condensed Matter
WOS记录号	WOS:000925640200001
出版者	ELSEVIER
引用统计	被引频次：14[WOS] [WOS记录] [WOS相关记录]
文献类型	期刊论文
条目标识符	http://ir.imr.ac.cn/handle/321006/175179
专题	中国科学院金属研究所
通讯作者	Wei, Shicheng; He, Xiaocai; Li, Da; Han, Qing
作者单位	1.Northeastern Univ, Key Lab Ecol Met Multimet Mineral, Minist Educ, Shenyang 110819, Peoples R China 2.Northeastern Univ, Sch Met, Shenyang 110819, Peoples R China 3.Army Acad Armored Forces, Natl Key Lab Remfg, Beijing 100072, Peoples R China 4.Kunming Met Res Inst, Kunming 650031, Peoples R China 5.Chinese Acad Sci, Inst Met Res, Shenyang Natl Lab Mat Sci, Shenyang 110016, Peoples R China
推荐引用方式 GB/T 7714	Hou, Yuanzhao,Li, Binchuan,Chen, Jianshe,et al. Electromagnetic wave absorption properties of core double-shell structured alpha-Fe(Si)@Fe3O4@SiO2 composites[J]. APPLIED SURFACE SCIENCE,2023,615:10.
APA	Hou, Yuanzhao.,Li, Binchuan.,Chen, Jianshe.,Shen, Xiaoyi.,Wang, Bo.,...&Han, Qing.(2023).Electromagnetic wave absorption properties of core double-shell structured alpha-Fe(Si)@Fe3O4@SiO2 composites.APPLIED SURFACE SCIENCE,615,10.
MLA	Hou, Yuanzhao,et al."Electromagnetic wave absorption properties of core double-shell structured alpha-Fe(Si)@Fe3O4@SiO2 composites".APPLIED SURFACE SCIENCE 615(2023):10.