Carbon Nanotube Electron Sources: From Electron Beams to Energy Conversion and Optophononics
Figure 3
Perspective view of an open-ended multiwalled carbon nanotube (a) and a capped single-walled carbon nanotube (b). (c) shows a graphene lattice and its unit vectors, together with a chiral vector (defined by the indices and ) along which the lattice could be rolled to create an single-walled carbon nanotube.
