Journal
MATERIALS LETTERS
Volume 112, Issue -, Pages 117-120Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.matlet.2013.08.126
Keywords
Carbon materials; Nanoparticles; Electromagnetic parameters; Dielectrics; Microwave absorbing properties
Funding
- Spaceflight Foundation of the People's Republic of China [NBXW0001]
- Spaceflight Innovation Foundation of China [NBXT0002]
- Doctorate Foundation of Northwestern Polytechnical University [CX201328]
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Novel composites composed of NiFe2O4 clusters and reduced graphene oxide were synthesized by using polyethylene oxide as a structure directing reagent and the microwave absorption properties of NiFe2O4 clusters-reduced graphene oxide (c-NiFe2O4/RGO) were investigated. The results indicate that NiFe2O4 clusters with diameters in the range of 40-70 nm are composed of NiFe2O4 nanoparticles with diameters ranging from 3 to 5 nm. The microwave adsorption properties show that the maximum reflection loss of c-NiFe2O4/RGO is up to -47.3 dB at 11.9 GHz and the absorption bandwidth with the reflection loss below -10 dB is 4.7 GHz with a thickness of 2.5 mm. The excellent microwave absorption properties of c-NiFe2O4/RGO can be used as an attractive candidate for the new type of microwave absorptive materials. (C) 2013 Elsevier B.V. All rights reserved.
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