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Nature of single vacancy in achiral carbon nanotubes.
Lu, A J; Pan, B C.
Afiliação
  • Lu AJ; Hefei National Laboratory for Physical Sciences at Microscale, Structural Research Laboratory, and Department of Physics, University of Science and Technology of China, Hefei, Anhui 230026, People's Republic of China.
Phys Rev Lett ; 92(10): 105504, 2004 Mar 12.
Article em En | MEDLINE | ID: mdl-15089214
We have performed systematic calculations for single vacancies and their related point defects in achiral carbon nanotubes using a tight-binding model. Our calculations clarify that the local structures around single vacancies in such tubes do reconstruct with no constraint. We find that the structural configuration and formation energy of the resulting point defect are dependent on the radius and chirality, as well as the electric properties of a tube. The electronic structures of the single vacancies also depend strongly upon the chirality of the carbon nanotubes.
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Coleções: 01-internacional Base de dados: MEDLINE Idioma: En Ano de publicação: 2004 Tipo de documento: Article
Buscar no Google
Coleções: 01-internacional Base de dados: MEDLINE Idioma: En Ano de publicação: 2004 Tipo de documento: Article