Exploring the Energy-Momentum (E-K) Dispersion in Zig-Zag Carbon Nanotubes (ZCNTs) Through the Non-equilibrium Green’s Function Approach

This research is the examination of Energy-Momentum (E-K) within zig-zag carbon nanotubes (ZCNTs) composed of 5, 7, 11, 13, and 15 atoms, employing the Non-equilibrium Green’s Function methodology. Non-equilibrium Green’s Function methodology is employed for computation of the electronic attributes of the zig-zag carbon nanotubes, including their E-K characteristics. The outcomes show a trend of decreasing bandgap as the number of atoms increases, consequently leading to the expansion in the device's radius. These findings improve our comprehension of the electronic characteristics of zig-zag carbon nanotubes and the potential applications of ZCNT’s in the future nanoelectronics.