RF noise suppression using carbon-coated permalloy nanorod arrays

Ki Hyeon Kim, Hiromori Orikasa, Takashi Kyotani, Masahiro Yamaguchi

Research output: Contribution to journalArticle

6 Citations (Scopus)

Abstract

We evaluated the noise suppression effects of carbon coated permalloy nanorod arrays in porous anodic aluminum oxide on coplanar waveguide. The average diameter and length of the Permalloy nanorods was ∼500 nm and ∼10 nm, respectively. The power loss of the Permalloy nanorods was 85% at 20 GHz (in stop-band frequency) which was higher than that of 0.5-μm-thick NiZn-ferrite film (68%). In the pass band frequency region at around 1 GHz, the signal attenuation of the Permalloy nanorod arrays was lower than that of the NiZn-ferrite film.

Original languageEnglish
Pages (from-to)4075-4077
Number of pages3
JournalIEEE Transactions on Magnetics
Volume41
Issue number10
DOIs
Publication statusPublished - 2005 Oct 1

Keywords

  • Carbon nanotube
  • Coplanar wave guide
  • Nano rod
  • Noise suppression

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Electrical and Electronic Engineering

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