Abstract
AbstractThe first experiments on registration of ion current accompanying the field electron emission from carbon nanotubes have been carried out. Emitted cathode has been made from multiwall CNx nanotubes synthesized by thermolysis of a ferrocene and acetonitrile mixture. Since the ion current peaked at the electron emission threshold, its origin was attributed to autoionization of the residual gas molecules adsorbed on the nanotube caps. Complex voltage dependence of the ion current could be related to the change in the autoionization potential of the adsorbed molecules with variation of nanotube diameter. (© 2006 WILEY‐VCH Verlag GmbH & Co. KGaA, Weinheim)
Published Version
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