Carbon Nanotube Electron Sources: From Electron Beams to Energy Conversion and Optophononics
Figure 4
(a) A field-emission setup: only a simple vacuum chamber and power supply are needed for basic studies; (b) a more advanced apparatus, equipped with aluminum coating capability and an imaging screen for field-emission microscopy (FEM) of carbon nanotubes; (c) emission pattern from a multiwalled carbon nanotube recorded using the apparatus shown in (b) ((b) and (c) reprinted with permission from [88]. Copyright 2010, American Vacuum Society).
