Graphene-nanotube structures: Constitution and formation energy |
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Authors: | L A Chernozatonskii E F Sheka A A Artyukh |
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Institution: | (1) Emanuel Institute of Biochemical Physics, Russian Academy of Sciences, ul. Kosygina 4, Moscow, 119334, Russia;(2) Peoples Friendship University, ul. Miklukho-Maklaya 6, Moscow, 117198, Russia |
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Abstract: | A new class of carbon nanostructures is considered: covalently (or molecularly) bound graphene and carbon nanotube fragments. As found using semiempirical computations and molecular dynamics methods, the structures formed by bonding nanotube edge atoms to a planar segment of a graphene nanofragment or its edge atoms to nanotube atoms arranged at the element of cylinder and graphene nanoribbons attached to a nanotube by van der Waals forces along the nanotube are the most energetically stable systems. |
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