Article: Flaky FeSiAl alloy-carbon nanotube composite with tunable electromagnetic properties for microwave absorption

Flaky FeSiAl alloy/multi-wall carbon nanotube (FeSiAl/MWCNT) composite was fabricated by facile and scalable ball milling method. The morphology and electromagnetic properties of the FeSiAl alloy can be well tuned by controlling the milling time. It is found that the magnetic loss of the FeSiAl alloy is improved by optimizing the milling time due to the increased anisotropy field. Meanwhile the addition of MWCNTs enhances the dielectric loss of the composite by increasing the interfacial polarizations, dipolar polarizations and conductive paths. Relative to conventional FeSiAl absorbers, the FeSiAl/MWCNT composite exhibits greatly improved microwave absorption performance with advantages of strong absorption and small thickness. The minimum reflection loss of the composite reaches -42.8 dB at 12.3 GHz at a very thin thickness of 1.9 mm.

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References

1.

Ning M, Lu M, Li J, Chen Z, Dou Y, Wang C . Two-dimensional nanosheets of MoS2: a promising material with high dielectric properties and microwave absorption performance. Nanoscale. 2015; 7(38):15734-40. DOI: 10.1039/c5nr04670j. View

2.

Bomati-Miguel O, Morales M, Tartaj P, Ruiz-Cabello J, Bonville P, Santos M . Fe-based nanoparticulate metallic alloys as contrast agents for magnetic resonance imaging. Biomaterials. 2005; 26(28):5695-703. DOI: 10.1016/j.biomaterials.2005.02.020. View

3.

Zhao X, Zhang Z, Wang L, Xi K, Cao Q, Wang D . Excellent microwave absorption property of Graphene-coated Fe nanocomposites. Sci Rep. 2013; 3:3421. PMC: 3852363. DOI: 10.1038/srep03421. View

4.

Lu M, Cao M, Chen Y, Cao W, Liu J, Shi H . Multiscale Assembly of Grape-Like Ferroferric Oxide and Carbon Nanotubes: A Smart Absorber Prototype Varying Temperature to Tune Intensities. ACS Appl Mater Interfaces. 2015; 7(34):19408-15. DOI: 10.1021/acsami.5b05595. View

5.

Yang H, Cao W, Zhang D, Su T, Shi H, Wang W . NiO hierarchical nanorings on SiC: enhancing relaxation to tune microwave absorption at elevated temperature. ACS Appl Mater Interfaces. 2015; 7(13):7073-7. DOI: 10.1021/acsami.5b01122. View

6.

Zhao J, Yu J, Xie Y, Le Z, Hong X, Ci S . Lanthanum and Neodymium Doped Barium Ferrite-TiO₂/MCNTs/poly(3-methyl thiophene) Composites with Nest Structures: Preparation, Characterization and Electromagnetic Microwave Absorption Properties. Sci Rep. 2016; 6:20496. PMC: 4746644. DOI: 10.1038/srep20496. View

7.

Lv H, Ji G, Zhang H, Li M, Zuo Z, Zhao Y . CoxFey@C Composites with Tunable Atomic Ratios for Excellent Electromagnetic Absorption Properties. Sci Rep. 2015; 5:18249. PMC: 4676003. DOI: 10.1038/srep18249. View

8.

Zhang L, Yu X, Hu H, Li Y, Wu M, Wang Z . Facile synthesis of iron oxides/reduced graphene oxide composites: application for electromagnetic wave absorption at high temperature. Sci Rep. 2015; 5:9298. PMC: 4365402. DOI: 10.1038/srep09298. View

9.

Bulmer J, Martens J, Kurzepa L, Gizewski T, Egilmez M, Blamire M . Microwave conductivity of sorted CNT assemblies. Sci Rep. 2014; 4:3762. PMC: 3896931. DOI: 10.1038/srep03762. View

10.

SNOEK J . Gyromagnetic resonance in ferrites. Nature. 2010; 159(4055):90. DOI: 10.1038/160090a0. View

11.

Zhao T, Hou C, Zhang H, Zhu R, She S, Wang J . Electromagnetic wave absorbing properties of amorphous carbon nanotubes. Sci Rep. 2014; 4:5619. PMC: 4090627. DOI: 10.1038/srep05619. View

Flaky FeSiAl Alloy-carbon Nanotube Composite with Tunable Electromagnetic Properties for Microwave Absorption