Effect of hot electrons on the electrical conductivity of carbon nanotubes under the influence of applied dc fieldMatthew Amekpewu, Sulemana S. Abukari, Kofi W. Adu, Samuel Y. Mensah and Natalia G. MensahEur. Phys. J. B, 88 2 (2015) 43DOI: https://doi.org/10.1140/epjb/e2014-50493-5