This article reports on top-down nanofabricated Ni3Si2 nanowires and tests of their electron field emission capabilities. The results include low turn-on electric field, EON, moderate work function, Φ, and the field enhancement factor, β, customizable through nanofabrication. The article also reports on the issues ahead in the field of nanowires-based electron mission, as there are quantitative limitations of the applicability of the Fowler–Nordheim model, which will become increasingly apparent as we continue to optimize the field emission of electrons. To this end, we suggest adding the studies of surface-to-volume ratio effects of the nanowires as another standard for comparison in order to lead to the input form of the density of states as quantum effects becoming more prominent.
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January 2022
Research Article|
December 21 2021
Ni3Si2 nanowires for efficient electron field emission and limitations of the Fowler–Nordheim model
Special Collection:
Physics and Chemistry of Surfaces and Interfaces
Amina Belkadi
;
Amina Belkadi
1
Department of ECE Engineering, University of Colorado at Boulder
, 425 UCB Boulder, Colorado 80309
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Emma Zeng;
Emma Zeng
2
Department of Physics and Astronomy, Colgate University
, 13 Oak Dr., Hamilton, New York 13346
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A. F. Isakovic
A. F. Isakovic
a)
2
Department of Physics and Astronomy, Colgate University
, 13 Oak Dr., Hamilton, New York 13346
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a)
Electronic addresses: aisakovic@colgate.edu and iregx137@gmail.com
Note: This paper is a part of the Special Topic Collection on Physics and Chemistry of Surfaces and Interfaces.
J. Vac. Sci. Technol. B 40, 013202 (2022)
Article history
Received:
June 30 2021
Accepted:
December 02 2021
Citation
Amina Belkadi, Emma Zeng, A. F. Isakovic; Ni3Si2 nanowires for efficient electron field emission and limitations of the Fowler–Nordheim model. J. Vac. Sci. Technol. B 1 January 2022; 40 (1): 013202. https://doi.org/10.1116/6.0001248
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