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Electronic and optical properties of carbon supracrystalline sp 2 nanoallotropes
Authors:R. A. Brazhe  R. M. Meftakhutdinov
Abstract:Electronic and optical properties of 2D conducting carbon supracrystals are studied. The band structure is calculated using the tight-binding method. One sample is classified as semimetal, and the remaining samples are classified as narrow-band-gap semiconductors. The optical conductivity of the supracrystalline structures is calculated. It is demonstrated that the conductivity of semimetal supracrystals may be substantially higher than the grapheme conductivity. Complex refractive indices of the supracrystals are estimated.
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