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Porous corn-like Fe3O4 nanosheets decorated fluffy graphene nanocomposites and their enhanced microwave absorption properties

Porous corn-like Fe3O4 nanosheets decorated fluffy graphene nanocomposites and their enhanced... Porous corn-like Fe3O4 nanosheets decorated fluffy graphene nano-composites (Fe3O4 @GNS) were synthesized. The electromagnetic parameters were obtained from the composites that were combined with 80 wt% paraffin. The results showed that the nanocomposites exhibited a maximum RL of − 50.6 dB at 9.12 GHz when the corresponding thickness was 3.4 mm, and the effective frequency bandwidth (RL ≤ − 10dB) was 4.64 GHz. The corresponding attenuation coefficient was 273 at 9.12 GHz. The microwave absorption mechanism mainly comes from the combined effect of dielectric loss and magnetic loss. In addition, the special structure composed of porous nanosheets and fluffy graphene played a key role in improving the microwave absorption performance. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Journal of Materials Science: Materials in Electronics Springer Journals

Porous corn-like Fe3O4 nanosheets decorated fluffy graphene nanocomposites and their enhanced microwave absorption properties

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References (26)

Publisher
Springer Journals
Copyright
Copyright © 2018 by Springer Science+Business Media, LLC, part of Springer Nature
Subject
Materials Science; Optical and Electronic Materials; Characterization and Evaluation of Materials
ISSN
0957-4522
eISSN
1573-482X
DOI
10.1007/s10854-018-9326-3
Publisher site
See Article on Publisher Site

Abstract

Porous corn-like Fe3O4 nanosheets decorated fluffy graphene nano-composites (Fe3O4 @GNS) were synthesized. The electromagnetic parameters were obtained from the composites that were combined with 80 wt% paraffin. The results showed that the nanocomposites exhibited a maximum RL of − 50.6 dB at 9.12 GHz when the corresponding thickness was 3.4 mm, and the effective frequency bandwidth (RL ≤ − 10dB) was 4.64 GHz. The corresponding attenuation coefficient was 273 at 9.12 GHz. The microwave absorption mechanism mainly comes from the combined effect of dielectric loss and magnetic loss. In addition, the special structure composed of porous nanosheets and fluffy graphene played a key role in improving the microwave absorption performance.

Journal

Journal of Materials Science: Materials in ElectronicsSpringer Journals

Published: May 30, 2018

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