Nanomaterials for Field Emission
A special issue of Nanomaterials (ISSN 2079-4991).
Deadline for manuscript submissions: closed (29 February 2020) | Viewed by 450
Special Issue Editor
Interests: graphene; 2D materials; electronic properties; field effect transistors; photodetectors; contact resistance; field emission from nanostructures
Special Issues, Collections and Topics in MDPI journals
Special Issue Information
Dear Colleagues,
Field-emission is a quantum tunneling phenomenon in which electrons pass from an emitting material (cathode) to an anode through a vacuum barrier by the effect of a high electric field. For a given material, cathodes with higher aspect ratios and sharper edges produce higher FE currents. For this reason, nanostructures are considered promising for commercial applications as flat-panel displays, vacuum electronics, microwave power tubes, electron sources, etc. From a theoretical point of view, FE experiments can be analyzed in terms of Fowler–Nordheim theory, the most commonly used model for FE from a metallic or semiconductor surface under a strong applied field, which is also widely used to investigate the FE from CNTs, graphene, other 2D materials, etc.
This Special Issue aims to collect experimental and theoretical investigations related to the field emission phenomenon.
Dr. Filippo Giubileo
Guest Editor
Manuscript Submission Information
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Keywords
- field emission
- cold cathode
- field enhancement
- Fowler–Nordheim tunneling
- nanostructures
- arrays
- nanowires
- vacuum electronics
