Zobrazeno 1 - 10
of 224
pro vyhledávání: '"field emission current"'
Akademický článek
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Publikováno v:
Pribory i Metody Izmerenij, Vol 10, Iss 1, Pp 61-68 (2019)
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
Externí odkaz:
https://doaj.org/article/dff01361046141acabbcf655a6595b54
Publikováno v:
IEEE Transactions on Dielectrics and Electrical Insulation. 27:2087-2094
This paper presents a hybrid-approach based on the establishment of a relationship between diagnostic signals, vacuum pressure and contact erosion of vacuum circuit breakers (VCBs). The signals used for this real-time diagnosis comprise of the level
Akademický článek
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Publikováno v:
2020 29th International Symposium on Discharges and Electrical Insulation in Vacuum (ISDEIV).
The objective of this paper was to measure prebreakdown current characteristics of vacuum gaps with different gap distances. A commercial vacuum interrupter (VI) was fully conditioned with 400 lightning impulse breakdowns at a gap distance of 2 mm. T
Publikováno v:
IEEE Transactions on Dielectrics and Electrical Insulation. 26:162-170
Although vacuum technology is commonly used in power systems, challenges still remain for vacuum circuit breakers (VCBs) to cope with the requirements of capacitor bank switching duties as the insulation performance can deteriorate by inrush current.
Publikováno v:
Technical Physics. 64:116-120
Novel field emitters made of contacting hafnium and platinum layers have been studied. Calculations aimed at optimizing the characteristics of the multilayer emitters have been conducted. Field emission currents up to 2.0–2.5 mA at a (tentative) cu
Autor:
Yang Zhou, Peng Zhang
Publikováno v:
Physical Review Research. 2
This paper presents quantum theory for field emission from dielectric-coated cathode surfaces, and find that a dielectric coating may increase the field emission current.
Publikováno v:
2020 International Conference on Actual Problems of Electron Devices Engineering (APEDE).
In this paper, the simulation of a cylindrical radial (auto-emission) magnetron is considered. Integral equations for the potential in a cylindrical magnetron are obtained, calculations of the potential and field emission current are given, and auto-
Publikováno v:
Advanced Materials & Technologies. :031-037