%0 Conference Article %T THE INFLUENCE OF SUBSTRATE ON THE REFLECTIVE AND TRANSMISSIVE PROPERTIES OF A TWO-LAYER CONDUCTING STRUCTURE %A Antonec, I.V. %A Golubev, E.A. %A Shavrov, V.G. %A Scheglov, V.I. %K wave propagation, multi-layer structure, shungite. %J XXIV international conference "Electromagnetic field and materials (fundamental physical research)" %D 2025 %P 16 %I INFRA-M Academic Publishing LLC.