Coulomb blockade of field emission from nanoscale conductors

Details Coulomb blockade of field emission from nanoscale conductors Coulomb blockade of field emission from nanoscale conductors

2007-04-03

arxiv.org/abs/0704.0415v1

Phys. Rev. B 73, 195328 (2006)

Physics

Condensed Matter

Mesoscale and Nanoscale Physics

Scientific paper

Theoretical description of the field emission of electrons from nanoscale objects weakly coupled to the cathode is presented. It is shown that the field- emission current increases in a step-like fashion due to single-electron charging which leads to abrupt changes of the effective electric field responsible for the field emission. A detailed consideration of the current-voltage characteristics is carried out for a nanocluster modelled by a metallic spherical particle in the close vicinity of the cathode and for a cylindrical silicon nanowire grown on the cathode surface.

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