In-situ synthesis of SiC/Fe nanowires coated with thin amorphous carbon layers for excellent electromagnetic wave absorption in GHz range

doi:10.1016/j.carbon.2020.09.066

CORC > 金属研究所 > 中国科学院金属研究所

	In-situ synthesis of SiC/Fe nanowires coated with thin amorphous carbon layers for excellent electromagnetic wave absorption in GHz range
	Javid, Muhammad 1,2; Qu, Xinghao 2; Huang, Feirong 2; Li, Xiyang 2; Farid, Amjad 1,3; Shah, Asif 2; Duan, Yuping 2; Zhang, Zhidong 4; Dong, Xinglong 2; Pan, Lujun 1
刊名	CARBON
	2021
卷号	171 页码:785-797
关键词	SiC/Fe)@C Nanowires VLS growth Arc-plasma Electromagnetic parameter Reflection loss
ISSN号	0008-6223
DOI	10.1016/j.carbon.2020.09.066
通讯作者	Dong, Xinglong(dongxl@dlut.edu.cn) ; Pan, Lujun(lpan@dlut.edu.cn)
英文摘要	Electromagnetic 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.
资助项目	National Natural Science Foundation of China of China[51972039] ; National Natural Science Foundation of China of China[51331006] ; Liaoning Revitalization Talents Program[XLYC1902122]
WOS研究方向	Chemistry ; Materials Science
语种	英语
出版者	PERGAMON-ELSEVIER SCIENCE LTD
WOS记录号	WOS:000598371500082
资助机构	National Natural Science Foundation of China of China ; Liaoning Revitalization Talents Program
内容类型	期刊论文
源URL	[http://ir.imr.ac.cn/handle/321006/158862]
专题	金属研究所_中国科学院金属研究所
通讯作者	Dong, Xinglong; Pan, Lujun
作者单位	1.Dalian Univ Technol, Sch Phys, Dalian 11602, Peoples R China 2.Dalian Univ Technol, Sch Mat Sci & Engn, Minist Educ, Key Lab Mat Modificat Laser Ion & Electron Beams, 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
推荐引用方式 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.