Structuring of the Surface of Thin Carbon Films During Activation by Microsecond Current Pulses
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Structuring of the Surface of Thin Carbon Films During Activation by Microsecond Current Pulses
Annotation
PII
S0544126924010026-1
Publication type
Article
Status
Published
Authors
D. V. Nefedov 
Affiliation: Saratov State University
Pages
8-15
Abstract
The influence of current activation by electric pulse breakdown on changes in surface morphology and emission characteristics of a field emission cathode made on the basis of carbon films obtained by deposition in a microwave gas discharge plasma was studied. Current activation of these films was carried out by applying voltage pulses of microsecond duration until an electrical breakdown occurred. It is shown that during activation, the morphology of the film surface in the breakdown region changes with the formation of a micro-sized emitting structure, which significantly improves the field emission characteristics of cathodes based on carbon films.
Keywords
автоэлектронная эмиссия тонкопленочные автоэмиссионные катоды углеродные пленки активация пробоем
Received
16.07.2024
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0
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30
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