Metaferrites: Using electromagnetic bandgap structures to synthesize metamaterial ferrites

Douglas J. Kern, Douglas Henry Werner, Mikhail Lisovich

Research output: Contribution to journalArticle

46 Scopus citations

Abstract

A methodology is presented for the design synthesis of metamaterial ferrites, or metaferrites, that retain their desirable magnetic properties at frequencies above 1 GHz. The design synthesis is accomplished by optimizing a high impedance frequency selective surface (HZ-FSS) structure via a genetic algorithm (GA) for the desired effective permeability of an equivalent magnetic substrate backed by a perfect electric conductor ground plane. The ability to optimize the design parameters of these HZ-FSS structures allows for the possibility of synthesizing low-loss dispersive metaferrites with either a positive or a negative real part of the effective permeability at the desired operating frequency band. The results presented in this paper demonstrate five possible metaferrite designs: two with the associated real and imaginary permeabilities for use as low-loss magnetic materials, and three designs for use as absorbing materials.

Original languageEnglish (US)
Pages (from-to)1382-1389
Number of pages8
JournalIEEE Transactions on Antennas and Propagation
Volume53
Issue number4
DOIs
StatePublished - Apr 1 2005

All Science Journal Classification (ASJC) codes

  • Condensed Matter Physics
  • Electrical and Electronic Engineering

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