Fe2Si nanoparticles attached single-walled carbon nanotubes (Fe2Si-SWCNTs) have been mass produced by a direct current arc discharge in H2/Ar. The Fe2Si-SWCNTs nanocomposites with different Si-Fe ingredient atomic ratios have a network nanostructure and provide good electrical conductivity and impedance matching. The relative complex permittivity and permeability can be adjusted by synergetic interactions between Fe2Si nanoparticles and SWCNTs in the frequency range of 2β18βGHz. The reflection loss of Fe2Si-SWCNTs nanocomposites reaches β49.9βdB at 8.08βGHz when the filler loading is only 20βwt.β% in paraffin, and the effective absorption bandwidth is up to 4.32βGHz (5.92β10.24βGHz) corresponding to a thickness of 3.4βmm. This work not only paves the way for practical application of SWCNTs but also provides a kind of efficient electromagnetic wave absorber.
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28 July 2019
Research Article|
July 22 2019
A facile one-pot synthesis of Fe2Si nanoparticles attached SWCNTs for enhanced electromagnetic wave absorption performance
H. M. Yan;
H. M. Yan
1
Department of Physics, Shanghai University
, Shanghai 200444, China
2
Institute of Low-Dimensional Carbons and Device Physics, Shanghai University
, Shanghai 200444, China
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M. H. Yan;
M. H. Yan
1
Department of Physics, Shanghai University
, Shanghai 200444, China
2
Institute of Low-Dimensional Carbons and Device Physics, Shanghai University
, Shanghai 200444, China
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Y. F. Zhang;
Y. F. Zhang
1
Department of Physics, Shanghai University
, Shanghai 200444, China
2
Institute of Low-Dimensional Carbons and Device Physics, Shanghai University
, Shanghai 200444, China
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T. X. Zhu;
T. X. Zhu
1
Department of Physics, Shanghai University
, Shanghai 200444, China
2
Institute of Low-Dimensional Carbons and Device Physics, Shanghai University
, Shanghai 200444, China
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L. M. Yu;
L. M. Yu
1
Department of Physics, Shanghai University
, Shanghai 200444, China
2
Institute of Low-Dimensional Carbons and Device Physics, Shanghai University
, Shanghai 200444, China
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Y. Liu;
Y. Liu
2
Institute of Low-Dimensional Carbons and Device Physics, Shanghai University
, Shanghai 200444, China
3
Materials Genome Institute (MGI), Shanghai University
, Shanghai 200444, China
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T. Maruyama;
T. Maruyama
4
Department of Applied Chemistry, Meijo University
, Nagoya 468-8502, Japan
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X. L. Zhao
X. L. Zhao
a)
1
Department of Physics, Shanghai University
, Shanghai 200444, China
2
Institute of Low-Dimensional Carbons and Device Physics, Shanghai University
, Shanghai 200444, China
5
Shanghai Key Laboratory of High Temperature Superconductors
, Shanghai 200444, China
a)Author to whom correspondence should be addressed:β[email protected]. Tel.: +86 21 66136916.
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a)Author to whom correspondence should be addressed:β[email protected]. Tel.: +86 21 66136916.
J. Appl. Phys. 126, 045101 (2019)
Article history
Received:
April 03 2019
Accepted:
June 30 2019
Citation
H. M. Yan, M. H. Yan, Y. F. Zhang, T. X. Zhu, L. M. Yu, Y. Liu, T. Maruyama, X. L. Zhao; A facile one-pot synthesis of Fe2Si nanoparticles attached SWCNTs for enhanced electromagnetic wave absorption performance. J. Appl. Phys. 28 July 2019; 126 (4): 045101. https://doi.org/10.1063/1.5098512
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