2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/25112We report a naturally-occurring two-dimensional material (graphene that can be viewed as a gigantic flat fullerene molecule, describe its electronic properties and demonstrate all-metallic field-effect transistor, which uniquely exhibits ballistic transport at submicron distances even at room temperature.Materials ScienceMesoscale and Nanoscale Physicstext