Journal
APPLIED SURFACE SCIENCE
Volume 357, Issue -, Pages 1289-1293Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.apsusc.2015.09.147
Keywords
BaFe12O19/CoFe2O4; Nanocomposites; Graphene; Microwave absorbing property
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Funding
- National Natural Science Foundation of China [51572159]
- Science and Technology Foundation of Shaanxi Province [2013KJXX79, 20131Q6004]
- Special Foundation of the Ministry of Shaanxi Province [2013JK0937]
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The graphene/BaFe12O19/CoFe2O4 nanocomposite powders were successfully synthesized by a deoxidation technique. The phase composition, morphology and electromagnetic properties of the nanocomposites were characterized by various instruments. The as-prepared graphene/BaFe12O19/CoFe2O4 nanocomposite exhibits a saturated magnetization of 50.42 emu/g. The electromagnetic parameters of graphene/BaFe12O19/CoFe2O4 nanocomposite were investigated in the 2-18 GHz range. The graphene/BaFe12O19/CoFe2O4 nanocomposite exhibits better microwave absorbing properties than BaFe12O19/CoFe2O4 nanocomposite. The excellent microwave absorbing property is achieved and the minimum reflection loss of the nanocomposite can reach -32.4 dB, which is obviously enhanced compared with that of the BaFe12O19/CoFe2O4 nanocomposite. (C) 2015 Elsevier B.V. All rights reserved.
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