Effect of Torsional Deformations on the Spin States of Carbon Nanotubes with Metallic Conductivity
- Autores: D’yachkov E.1, Lomakin N.1, D’yackov P.1
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Afiliações:
- Institute of General and Inorganic Chemistry, Russian Academy of Sciences
- Edição: Volume 68, Nº 7 (2023)
- Páginas: 946-951
- Seção: ТЕОРЕТИЧЕСКАЯ НЕОРГАНИЧЕСКАЯ ХИМИЯ
- URL: https://journals.rcsi.science/0044-457X/article/view/136371
- DOI: https://doi.org/10.31857/S0044457X2370023X
- EDN: https://elibrary.ru/RIRENY
- ID: 136371
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Resumo
The formation of spin levels upon torsional deformation of nonchiral (n, n) carbon nanotubes has been theoretically studied. In the absence of mechanical deformation, nanotubes have inversion symmetry and a metallic band structure with a spin-degenerate state near the Fermi level. The twisting deformation breaks the inversion symmetry, so that the tube becomes chiral. As a result, due to the Rashba effect, the degeneracy of the levels is completely lifted and spin gaps are formed between the bands of predominantly α and β types.
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Sobre autores
E. D’yachkov
Institute of General and Inorganic Chemistry, Russian Academy of Sciences
Email: p_dyachkov@rambler.ru
119991, Moscow, Russia
N. Lomakin
Institute of General and Inorganic Chemistry, Russian Academy of Sciences
Email: p_dyachkov@rambler.ru
119991, Moscow, Russia
P. D’yackov
Institute of General and Inorganic Chemistry, Russian Academy of Sciences
Autor responsável pela correspondência
Email: p_dyachkov@rambler.ru
119991, Moscow, Russia
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