Electromagnetic characteristics of surface modified iron nanowires at x-band frequencies

W. F. Liang, R. B. Yang, W. S. Lin, Z. J. Jian, C. Y. Tsay, S. H. Wu, H. M. Lin, S. T. Choi, C. K. Lin

Research output: Contribution to journalArticle

5 Citations (Scopus)

Abstract

Surface modified iron nanowire nanoparticles were prepared via reduction of iron salts (FeCl 3 6H 2O) under an applied magnetic field. To minimize the surface oxidation, dextran (0.05 and 0.25 wt. ) was added during the process and formed a thin passive layer over iron nanowires with alcohol and acetone used to wash iron nanowires. The complex permittivity (ε′-jε″) and permeability (μ′-jμ″) of absorbers are measured by a cavity perturbation method from 7 to 14 GHz. In the present study, the iron nanowire prepared with 0.25 wt. dextran and washed by acetone (D25AC) exhibited the best microwave absorption performance. Depending on the test frequency, D25AC possessed the largest permittivity loss ranged from 0.14 to 0.17 and relatively small permeability loss (

Original languageEnglish
Article number07B545
JournalJournal of Applied Physics
Volume111
Issue number7
DOIs
Publication statusPublished - Apr 1 2012

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nanowires
electromagnetism
iron
dextrans
acetone
permeability
permittivity
microwave absorption
absorbers
alcohols
salts
perturbation
nanoparticles
oxidation
cavities
magnetic fields

ASJC Scopus subject areas

  • Physics and Astronomy(all)

Cite this

Electromagnetic characteristics of surface modified iron nanowires at x-band frequencies. / Liang, W. F.; Yang, R. B.; Lin, W. S.; Jian, Z. J.; Tsay, C. Y.; Wu, S. H.; Lin, H. M.; Choi, S. T.; Lin, C. K.

In: Journal of Applied Physics, Vol. 111, No. 7, 07B545, 01.04.2012.

Research output: Contribution to journalArticle

Liang, WF, Yang, RB, Lin, WS, Jian, ZJ, Tsay, CY, Wu, SH, Lin, HM, Choi, ST & Lin, CK 2012, 'Electromagnetic characteristics of surface modified iron nanowires at x-band frequencies', Journal of Applied Physics, vol. 111, no. 7, 07B545. https://doi.org/10.1063/1.3687139
Liang, W. F. ; Yang, R. B. ; Lin, W. S. ; Jian, Z. J. ; Tsay, C. Y. ; Wu, S. H. ; Lin, H. M. ; Choi, S. T. ; Lin, C. K. / Electromagnetic characteristics of surface modified iron nanowires at x-band frequencies. In: Journal of Applied Physics. 2012 ; Vol. 111, No. 7.
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