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Shielding properties of natural carbon-containing composites
Antonets I. V.
1, Korolev R. I.1, Golubev E. A.2
1Syktyvkar State University, Syktyvkar, Russia
2Institute of Geology of the Komi Scientific Research Center of the Ural Branch of the Russian Academy of Sciences, Syktyvkar, Russia
2Institute of Geology of the Komi Scientific Research Center of the Ural Branch of the Russian Academy of Sciences, Syktyvkar, Russia
Email: aiv@mail.ru
The results of an experimental study of the reflection coefficients R, transmission T, and absorption R+A of natural carbon-containing composites (2≤ C≤97 at.%) with a thickness of 8-20 μm on laboratory tape in five frequency ranges from 7.8 GHz to 56 GHz. Frequency spectra of reflection and transmission coefficients are obtained. The dependences of R,T,R+A on the carbon content at one of the frequencies for each studied range are given. It is shown that the shielding efficiency slightly depends on the frequency and varies more significantly depending on the carbon content. The influence of the structural characteristics and composition of natural carbon-containing composites on the shielding properties of the samples has been determined. Keywords: natural disordered carbon, reflection and transmission coefficients, shielding properties.
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