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In-situ synthesis of SiC/Fe nanowires coated with thin amorphous carbon layers for excellent electromagnetic wave absorption in GHz range
Javid, Muhammad1,2; Qu, Xinghao1; Huang, Feirong1; Li, Xiyang1; Farid, Amjad2,3; Shah, Asif1; Duan, Yuping1; Zhang, Zhidong4; Dong, Xinglong1; Pan, Lujun2
Corresponding AuthorDong, Xinglong(dongxl@dlut.edu.cn) ; Pan, Lujun(lpan@dlut.edu.cn)
2021
Source PublicationCARBON
ISSN0008-6223
Volume171Pages:785-797
AbstractElectromagnetic absorbents with peculiarities of light-weight, beneficial structure, broadband, adequate corrosion resistance, and facile synthesis route are always highly practical in the telecom and stealth fields. In this regard, a new type hybird material (SiC/Fe)@C nanowires (NWs) has been effectively synthesized through an in-situ vapor-liquid-solid growth confined at arc-plasma region. A (SiC/Fe)@C NW is composed of a dielectric SiC NW with a magnetic Fe nanoparticle at it tip, both tightly encapsulated by conductive graphene-like carbon nanolayers at the surfaces. Such carbon-coated NWs form a randomly interconnected network, endowing a proper impedance matching to microwave and an anti-corrosion ability. It is found that the composite of (SiC/Fe)@C NWs and paraffin with a 25 wt% loading has shown the lowest reflection loss (RL) of -63.44 dB at 12.4 GHz, with a wide effective absorption band (RL <= -10 dB) of 7 GHz in thickness of 1.95 mm. This superb RL is attributed to the synergic outcomes from the balanced dielectric/magnetic losses with an appropriate impedance matching, resulted from the intrinsic physical properties and special structures of the (SiC/Fe)@C NWs. Pseudo percolation threshold, near 30 wt% loading of (SiC/Fe)@C NWs in the electromagnetically transparent matrix, implies the significant efficacy of concentration/distribution of absorbent on RL performances. (C) 2020 Elsevier Ltd. All rights reserved.
KeywordSiC/Fe)@C Nanowires VLS growth Arc-plasma Electromagnetic parameter Reflection loss
Funding OrganizationNational Natural Science Foundation of China of China ; Liaoning Revitalization Talents Program
DOI10.1016/j.carbon.2020.09.066
Indexed BySCI
Language英语
Funding ProjectNational Natural Science Foundation of China of China[51972039] ; National Natural Science Foundation of China of China[51331006] ; Liaoning Revitalization Talents Program[XLYC1902122]
WOS Research AreaChemistry ; Materials Science
WOS SubjectChemistry, Physical ; Materials Science, Multidisciplinary
WOS IDWOS:000598371500082
PublisherPERGAMON-ELSEVIER SCIENCE LTD
Citation statistics
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/158863
Collection中国科学院金属研究所
Corresponding AuthorDong, Xinglong; Pan, Lujun
Affiliation1.Dalian Univ Technol, Sch Mat Sci & Engn, Minist Educ, Key Lab Mat Modificat Laser Ion & Electron Beams, Dalian 11602, Peoples R China
2.Dalian Univ Technol, Sch Phys, Dalian 11602, Peoples R China
3.Govt Coll Univ Faisalabad, Dept Phys, Faisalabad 38000, Pakistan
4.Chinese Acad Sci, Inst Met Res, Shenyang Natl Lab Mat Sci, 72 Wenhua Rd, Shenyang 110016, Peoples R China
Recommended Citation
GB/T 7714
Javid, Muhammad,Qu, Xinghao,Huang, Feirong,et al. In-situ synthesis of SiC/Fe nanowires coated with thin amorphous carbon layers for excellent electromagnetic wave absorption in GHz range[J]. CARBON,2021,171:785-797.
APA Javid, Muhammad.,Qu, Xinghao.,Huang, Feirong.,Li, Xiyang.,Farid, Amjad.,...&Pan, Lujun.(2021).In-situ synthesis of SiC/Fe nanowires coated with thin amorphous carbon layers for excellent electromagnetic wave absorption in GHz range.CARBON,171,785-797.
MLA Javid, Muhammad,et al."In-situ synthesis of SiC/Fe nanowires coated with thin amorphous carbon layers for excellent electromagnetic wave absorption in GHz range".CARBON 171(2021):785-797.
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