Ionization energy oscillations in metallic and semiconducting nanotubes of ultra small diameters

Eugeniy N. Bormontov; Alexander A. Ganin; Larissa A. Bityutskaya

doi:10.1117/12.2017060

8 January 2013 Ionization energy oscillations in metallic and semiconducting nanotubes of ultra small diameters

Eugeniy N. Bormontov, Alexander A. Ganin, Larissa A. Bityutskaya

Proceedings Volume 8700, International Conference Micro- and Nano-Electronics 2012; 870011 (2013) https://doi.org/10.1117/12.2017060
Event: International Conference on Micro-and Nano-Electronics 2012, 2012, Zvenlgorod, Russian Federation

Abstract

Single-walled carbon nanotubes with ultra small diameter are of particular interest for investigation of properties of nanotubes with different chiralities. Density functional theory provides a very effective method for the description of ground-state characteristics of metals, semiconductors and insulators. Here we present the results of a study of band structure, ionization energy, work function and bond energy in carbon nanotubes (with diameters ranged 0.2 – 2.0 nm) carried out within the density functional theory. We have found that chirality strongly affects these parameters in nanotubes of very small diameters where conventional tight-binding models are not appropriate.

Citation Download Citation

Eugeniy N. Bormontov, Alexander A. Ganin, and Larissa A. Bityutskaya "Ionization energy oscillations in metallic and semiconducting nanotubes of ultra small diameters", Proc. SPIE 8700, International Conference Micro- and Nano-Electronics 2012, 870011 (8 January 2013); https://doi.org/10.1117/12.2017060

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