4.7 Article

Microwave absorbing properties of the ferrite composites based on graphene

Journal

JOURNAL OF ALLOYS AND COMPOUNDS
Volume 683, Issue -, Pages 567-574

Publisher

ELSEVIER SCIENCE SA
DOI: 10.1016/j.jallcom.2016.05.127

Keywords

Graphene; Ferrites; Composites; Microwave absorbing properties

Funding

  1. National Natural Science Foundation of China [51572159]
  2. Chinese Postdoctoral Science Foundation [2016M590916]
  3. Scientific Research Foundation for the Returned Overseas Chinese Scholars, State Education Ministry

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The graphene/(1-x)BaFe12O19/CaFe2O4/xCoFe(2)O(4) ferrite composite powders were successfully synthesized by a deoxidation technique. The phase composition, morphology and electromagnetic properties of the composites were characterized by various instruments. The experimental results show that the graphene/(1-x)BaFe12O19/CaFe2O4/xCoFe(2)O(4) ferrite composites exhibit evidently enhanced microwave absorbing performance in comparison with the graphene/(1-x)BaFe12O19/CaFe2O4 and graphene/CoFe2O4 composites and the minimum reflection loss is -36.8 dB at 9.9 GHz with a thickness of 2.9 mm. (C) 2016 Elsevier B.V. All rights reserved.

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