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 K. Kim
  • , Jong E. Ryu
  • , Daniel S. Choi

Research output: Contribution to journalArticlepeer-review

9 Scopus citations

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 languageBritish English
Pages (from-to)4097-4103
Number of pages7
JournalJournal of Composite Materials
Volume53
Issue number28-30
DOIs
StatePublished - 1 Dec 2019

Keywords

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

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