Effective-mass theory of carbon nanotubes with vacancy

2019-10-26 20:17:51

carbon potential nanotubes Japan vacancy

责任者: Ando, T.;Nakanishi, T.;Igami, M. 单位: Inst. for Solid State Phys., Tokyo Univ., Japan 来源出处: Journal of the Physical Society of Japan(J. Phys. Soc. Jpn. (Japan)),1999/12/,68(12):3994-4008 摘要: Effects of impurities with a strong and short-range potential are studied in carbon nanotubes within a k·p scheme. The calculated conductance approaches those obtained for nanotubes with a lattice vacancy when the strength of the potential is sufficiently large. ϵ=0 is analytically shown to he quantized into zero, one, and two times of the conductance quantum e2/πℏ depending on the difference in the number of vacancies at A and B sublattices the nanotubes with a sufficiently large diameter 关键词: carbon nanotubes;effective mass;k.p calculations;vacancies (crystal);effective-mass theory;carbon nanotubes with vacancy;k·p scheme;short-range potential;lattice vacancy;C