2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/143099We measure the temperature dependence of the Raman spectra of metallic and semiconducting nanotubes. We show that the different trend in metallic tubes is due to phonon re-normalization induced by the variation in electronic temperature, which is modeled including non-adiabatic contributions to account for the dynamic, time dependent nature5 pages, 3 figuresMaterials Sciencetext