Reduced Graphene Oxide-CoFe2O4/FeCo Nanoparticle Composites for Electromagnetic Wave Absorption
Source abstract
Abstract
We have prepared reduced graphene oxide-CoFe2O4/FeCo nanocomposites with tunable and excellent absorbing properties through a simple one-step hydrothermal method. The obtained nanocomposites show magnetic particles with a diameter of ∼40 nm that are homogeneously wrapped by ∼5 nm thick graphene layers. Benefiting from its binary magnetic phases and the 3D dielectric-magnetic nanostructure, the nanocomposite shows microwave absorption performance with minimum reflection loss of −53.1 dB and broadened bandwidth of ∼7 GHz, which is superior to most carbon/magnet-based absorbers. This work may provide insights into developing high-performance hybrid absorbers with tunable frequency and broad absorption bandwidth via a facile coreduction preparation process and being more competitive in the commercialization of hybrid absorbers.
Source: openalex_inverted_index · Quality: baseline
Research context
OpenAlex topics: Electromagnetic wave absorption materials · Advanced Antenna and Metasurface Technologies · Metamaterials and Metasurfaces Applications
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
MIIT Key Laboratory of Advanced Metallic and Intermetallic Materials Technology, School of Materials Science and Engineering, Nanjing University of Science and Technology, Nanjing 210094, China
School of Material Science and Technology, Nanjing University of Aeronautics and Astronautics, Nanjing 211106, China
State Key Laboratory of Silicon Materials, Zhejiang University, Hangzhou 310027, China
Funding
Natural Science Foundation of Jiangsu Province · Aeronautical Science Foundation of China · National Natural Science Foundation of China
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