Microwave absorbing properties of iron nanowire at x-band frequencies

Ruey Bin Yang, Wen Fan Liang, Wei Syuan Lin, Hong Ming Lin, Chien Yie Tsay, Chung Kwei Lin

Research output: Contribution to journalArticle

19 Citations (Scopus)

Abstract

Iron nanowires and nanoparticles are fabricated via the reduction of iron salts (FeCl 36H 2O) with or without a parallel magnetic field, respectively. Polyvinyl pyrrolidone was added during the reduction process and formed a thin passive layer to minimize the oxidation. The as-obtained iron nanomaterials were then used as magnetic fillers, added to an epoxy resin, and iron nanoparticle or nanowire composites were prepared. The complex permittivity (ε′-jε″) and permeability (μ ′-jμ″) of these composites are measured by a cavity perturbation method from 7 to 14 GHz. The iron nanowire composites exhibited superior microwaving absorbing properties compared to iron nanoparticle composites. The optimal absorption peak of iron nanowire composites reached -10.5 dB (>90% power absorption) and -15.5 dB (>97% power absorption) with a thickness of 2 and 3 mm, respectively.

Original languageEnglish
Article number07B527
JournalJournal of Applied Physics
Volume109
Issue number7
DOIs
Publication statusPublished - Apr 1 2011
Externally publishedYes

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nanowires
microwaves
iron
composite materials
nanoparticles
epoxy resins
fillers
permeability
permittivity
salts
perturbation
oxidation
cavities
magnetic fields

ASJC Scopus subject areas

  • Physics and Astronomy(all)

Cite this

Microwave absorbing properties of iron nanowire at x-band frequencies. / Yang, Ruey Bin; Liang, Wen Fan; Lin, Wei Syuan; Lin, Hong Ming; Tsay, Chien Yie; Lin, Chung Kwei.

In: Journal of Applied Physics, Vol. 109, No. 7, 07B527, 01.04.2011.

Research output: Contribution to journalArticle

Yang, Ruey Bin ; Liang, Wen Fan ; Lin, Wei Syuan ; Lin, Hong Ming ; Tsay, Chien Yie ; Lin, Chung Kwei. / Microwave absorbing properties of iron nanowire at x-band frequencies. In: Journal of Applied Physics. 2011 ; Vol. 109, No. 7.
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