Terahertz transitions in narrow-gap carbon nanotubes and graphene nanoribbons

• Main Authors: Saroka, V. A., Hartmann, R. R., Portnoi, M. E.
• Format: text
• Published: Animo Repository 2018
• Subjects: Carbon nanotubes; Graphene; Energy gap (Physics); Submillimeter waves; Physics
• Online Access: https://animorepository.dlsu.edu.ph/faculty_research/3815; https://animorepository.dlsu.edu.ph/context/faculty_research/article/4817/type/native/viewcontent/012121.html
• Institution: De La Salle University

© The Authors, published by EDP Sciences. We show that the curvature effects in quasi-metallic carbon nanotubes and edge effects in narrow-gap graphene nanoribbons not only open band gaps in the THz range but also result in giant enhancement of the transition probabilities across these gaps. This ma...