Fabrication of graphene-magnetite multi-granule nanocluster composites for microwave absorption application

Boo H. An, Bum C. Park, Hamad A. Yassi, Ji S. Lee, Jung Rae Park, Young Keun Kim, Jong E. Ryu, Daniel S. Choi

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

Ferrite multi-granule nanoclusters are fabricated for microwave absorption materials in different sized particles and granules by modified polyol process. Various sizes of ferrite nanoclusters are placed on graphene-based composites and the behavior of their microwave absorbing properties is studied. The absorbing properties are measured using the free-space method with two horn antennas for X-band range (8.2 GHz–12.4 GHz). Relative permittivity and permeability values are calculated in measured frequency domain. The absorption coefficient changes by forming ferrite-graphene composites are presented as well.

Original languageEnglish
JournalJournal of Composite Materials
DOIs
Publication statusPublished - 2019 Jan 1

Keywords

  • ferrite
  • free space method
  • graphene
  • Microwave absorption
  • nanocluster

ASJC Scopus subject areas

  • Ceramics and Composites
  • Mechanics of Materials
  • Mechanical Engineering
  • Materials Chemistry

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