Study on enhanced microwave absorption characteristics of annealed Fe3O4

Ma, Qisi; Xu, Xiuhui; Yin, Jinhua; Li, Xiang; Cheng, Xingwang

doi:10.1007/s10854-022-09147-z

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2024

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Cited by 4 publications

References 58 publications

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Aspects of annealing and particle morphology on the microwave absorption characteristics of carbonyl iron powders

Mudasar,

ZH,

et al. 2024

J Mater Sci: Mater Electron

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Aspects of annealing and particle morphology on the microwave absorption characteristics of carbonyl iron powders

Mudasar,

ZH,

et al. 2024

J Mater Sci: Mater Electron

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Multiphase magnetic array-anchored layered Fe3O4/FeO/C composites with magnetic coupling effect for highly efficient microwave absorption

Feng,

Lan,

et al. 2024

Ceramics International

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Study on the Preparation of Core–Shell Carbon-Based Absorbing Materials with a Small Particle Size of Fe₃O₄

Jiang,

Qiu,

Deng

et al. 2024

Ind. Eng. Chem. Res.

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In this investigation, we successfully synthesized a core−shell nanomaterial featuring ternary Fe 3 O 4 @mSiO 2 @Carbon nanoparticles by utilizing mesoporous silica as the interlayer to disperse small particles of Fe 3 O 4 , which served as the core of the particles. The ternary nanoparticles Fe 3 O 4 @mSiO 2 @Carbon have demonstrated impressive electromagnetic wave (EW) absorption characteristics, with the most outstanding particle obtained by adding 0.2 g of resorcinol, achieving a minimum reflection loss (RLmin) value of −72.06 dB at an absorber thickness of 4.3 mm. In addition, it has the widest effective absorption bandwidth (EAB), reaching 6.21 GHz at a thickness of 2.7 mm. The radar cross section (RCS) reduction of the composite has been verified by CST simulation in the far field, and the strongest RCS reduction value was up to 38.06 dBm 2 with a scattering angle of 33°. Our findings indicate that the addition of the mesoporous silica layer benefits the uniform dispersion of the magnetic small particles of Fe 3 O 4 , improves the impedance matching of the material, and enhances the absorption ability of EW. We posit that our synthesis process can serve as a valuable reference for the development of highperformance, lightweight, and low-density carbon-based EW absorbing nanomaterials.

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Study on enhanced microwave absorption characteristics of annealed Fe3O4

Cited by 4 publications

References 58 publications

Aspects of annealing and particle morphology on the microwave absorption characteristics of carbonyl iron powders

Aspects of annealing and particle morphology on the microwave absorption characteristics of carbonyl iron powders

Multiphase magnetic array-anchored layered Fe3O4/FeO/C composites with magnetic coupling effect for highly efficient microwave absorption

Study on the Preparation of Core–Shell Carbon-Based Absorbing Materials with a Small Particle Size of Fe₃O₄

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Study on enhanced microwave absorption characteristics of annealed Fe3O4

Cited by 4 publications

References 58 publications

Aspects of annealing and particle morphology on the microwave absorption characteristics of carbonyl iron powders

Aspects of annealing and particle morphology on the microwave absorption characteristics of carbonyl iron powders

Multiphase magnetic array-anchored layered Fe3O4/FeO/C composites with magnetic coupling effect for highly efficient microwave absorption

Study on the Preparation of Core–Shell Carbon-Based Absorbing Materials with a Small Particle Size of Fe3O4

Contact Info

Product

Resources

About

Study on the Preparation of Core–Shell Carbon-Based Absorbing Materials with a Small Particle Size of Fe₃O₄