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Realization and modulation of negative permeability using an array of hexaferrite rods

The realization of negative permeability of an array of ferrite rods and the influencing factors are presented. The negative permeability is realized around the ferromagnetic resonance frequency of ferrite, and a tunable electromagnetic band gap is observed in the array of ferrite rods. The electrom... Full description

Journal Title: Journal of Physics D: Applied Physics 2009, Vol.42(6), p.065416 (5pp)
Main Author: Xu, Fang
Other Authors: Bai, Yang , Ai, Fen , Qiao, Lijie , Zhao, Hongjie , Zhou, Ji
Format: Electronic Article Electronic Article
Language: English
Subjects:
ID: ISSN: 0022-3727 ; E-ISSN: 1361-6463 ; DOI: 10.1088/0022-3727/42/6/065416
Link: http://dx.doi.org/10.1088/0022-3727/42/6/065416
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recordid: iop10.1088/0022-3727/42/6/065416
title: Realization and modulation of negative permeability using an array of hexaferrite rods
format: Article
creator:
  • Xu, Fang
  • Bai, Yang
  • Ai, Fen
  • Qiao, Lijie
  • Zhao, Hongjie
  • Zhou, Ji
subjects:
  • Engineering
  • Physics
ispartof: Journal of Physics D: Applied Physics, 2009, Vol.42(6), p.065416 (5pp)
description: The realization of negative permeability of an array of ferrite rods and the influencing factors are presented. The negative permeability is realized around the ferromagnetic resonance frequency of ferrite, and a tunable electromagnetic band gap is observed in the array of ferrite rods. The electromagnetic property of the array of ferrite rods is dominated by the unit's characteristics, including the dimension of the rods, but is insensitive to the structure parameters, such as spacing distance and duty ratio, which indicates that the array is a metamaterial, not a photonic crystal. Metamaterials with multi-band gaps are made using an array with different ferrite rods.
language: eng
source:
identifier: ISSN: 0022-3727 ; E-ISSN: 1361-6463 ; DOI: 10.1088/0022-3727/42/6/065416
fulltext: fulltext
issn:
  • 0022-3727
  • 1361-6463
  • 00223727
  • 13616463
url: Link


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descriptionThe realization of negative permeability of an array of ferrite rods and the influencing factors are presented. The negative permeability is realized around the ferromagnetic resonance frequency of ferrite, and a tunable electromagnetic band gap is observed in the array of ferrite rods. The electromagnetic property of the array of ferrite rods is dominated by the unit's characteristics, including the dimension of the rods, but is insensitive to the structure parameters, such as spacing distance and duty ratio, which indicates that the array is a metamaterial, not a photonic crystal. Metamaterials with multi-band gaps are made using an array with different ferrite rods.
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descriptionThe realization of negative permeability of an array of ferrite rods and the influencing factors are presented. The negative permeability is realized around the ferromagnetic resonance frequency of ferrite, and a tunable electromagnetic band gap is observed in the array of ferrite rods. The electromagnetic property of the array of ferrite rods is dominated by the unit's characteristics, including the dimension of the rods, but is insensitive to the structure parameters, such as spacing distance and duty ratio, which indicates that the array is a metamaterial, not a photonic crystal. Metamaterials with multi-band gaps are made using an array with different ferrite rods.
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abstractThe realization of negative permeability of an array of ferrite rods and the influencing factors are presented. The negative permeability is realized around the ferromagnetic resonance frequency of ferrite, and a tunable electromagnetic band gap is observed in the array of ferrite rods. The electromagnetic property of the array of ferrite rods is dominated by the unit's characteristics, including the dimension of the rods, but is insensitive to the structure parameters, such as spacing distance and duty ratio, which indicates that the array is a metamaterial, not a photonic crystal. Metamaterials with multi-band gaps are made using an array with different ferrite rods.
doi10.1088/0022-3727/42/6/065416
date2009-03-21