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Model of Field Electron Emission from the Edge of Flat Graphene into Vacuum

https://doi.org/10.21122/2220-9506-2019-10-1-61-68

Abstract

Graphene-based nanostructures are the promising materials for applications as electron emitters.

The aim of the work is to study the field electron emission from the edge of a single graphene plane.

In the semi-classical approximation, a model of field electron emission from the edge of a rectangular graphene sheet has been developed.

The current density of field electron emission into vacuum from the edge of a flat graphene sheet was calculated depending on the magnitude of the pulling electric field strength.

The analysis and comparison of limiting emission currents from graphene and from bulk systems have been carried out.

The results of the work can be used in the development of graphene-based field effect cathodes.

About the Authors

N. A. Poklonski
Belarusian State University
Belarus

Address for correspondence: N.A. Poklonski – Belarusian State University, Nezavisimosti Ave., 4, Minsk 220030, Belarus.    e-mail: poklonski@bsu.by; poklonski@tut.by


A. I. Siahlo
Belarusian State University
Belarus
Nezavisimosti Ave., 4, Minsk 220030


S. A. Vyrko
Belarusian State University
Belarus
Nezavisimosti Ave., 4, Minsk 220030


S. V. Ratkevich
Belarusian State University
Belarus
Nezavisimosti Ave., 4, Minsk 220030


A. T. Vlassov
Belarusian State University
Belarus
Nezavisimosti Ave., 4, Minsk 220030


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Review

For citations:

Poklonski N.A., Siahlo A.I., Vyrko S.A., Ratkevich S.V., Vlassov A.T. Model of Field Electron Emission from the Edge of Flat Graphene into Vacuum. Devices and Methods of Measurements. 2019;10(1):61-68. (In Russ.) https://doi.org/10.21122/2220-9506-2019-10-1-61-68

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ISSN 2220-9506 (Print)
ISSN 2414-0473 (Online)

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