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- W4286989563 abstract "We demonstrate that polymer composites with a low loading of graphene, below 1.2 wt. %, are efficient as electromagnetic absorbers in the THz frequency range. The epoxy-based graphene composites were tested at frequencies from 0.25 THz to 4 THz, revealing total shielding effectiveness of 85 dB (1 mm thickness) with graphene loading of 1.2 wt. % at the frequency f=1.6 THz. The THz radiation is mostly blocked by absorption rather than reflection. The efficiency of the THz radiation shielding by the lightweight, electrically insulating composites, increases with increasing frequency. Our results suggest that even the thin-film or spray coatings of graphene composites with thickness in the few-hundred-micrometer range can be sufficient for blocking THz radiation in many practical applications." @default.
- W4286989563 created "2022-07-25" @default.
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- W4286989563 date "2021-09-02" @default.
- W4286989563 modified "2023-10-18" @default.
- W4286989563 title "Efficient Absorption of Terahertz Radiation in Graphene Polymer Composites" @default.
- W4286989563 doi "https://doi.org/10.48550/arxiv.2109.01082" @default.
- W4286989563 hasPublicationYear "2021" @default.
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