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Field emission characterization of in-situ deposited metallic nanocones

  • An in-situ fabrication technique based on ion track etched template electrodeposition of metallic nanocones was used for the production of field emitter cathodes. Gold nanocones with a height of 24 microns, a base diameter between 3 to 4 microns and a tip diameter below 300 nanometers were deposited on a circular electrode with a diameter of 2.5 mm. The integral field emission (FE) measurements of samples with cone densities of 6 · 104 cones/cm2 (sample A) and 1 · 106 cones/cm2 (sample B) yielded in a maximum current of 37.5 μA at an applied field of 12.5 V/μm for sample A and 29.1 μA at 9.4 V/μm for sample B. The stability of emission current was investigated for over 48 hours and no degradation was observed.

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Metadaten
Author:Johannes Bieker, Farough Roustaie, H. F. Schlaak, Christoph LangerORCiD, Rupert SchreinerORCiDGND
DOI:https://doi.org/10.1109/IVNC.2017.8051571
Parent Title (English):2017 30th International Vacuum Nanoelectronics Conference (IVNC), 10-14 July 2017, Regensburg, Germany
Publisher:IEEE
Document Type:conference proceeding (article)
Language:English
Year of first Publication:2017
Release Date:2022/05/04
Tag:CATHODES; Current measurement; FABRICATION; Ions; Iron; Vacuum technology; Voltage measurement; field emission; ion track template; nanocones
First Page:120
Last Page:121
Institutes:Fakultät Angewandte Natur- und Kulturwissenschaften
Fakultät Angewandte Natur- und Kulturwissenschaften / Labor Mikrosensorik
Begutachtungsstatus:peer-reviewed
research focus:Sensorik
Licence (German):Keine Lizenz - Es gilt das deutsche Urheberrecht: § 53 UrhG