ANALYSIS OF FIELD-EMISSION-CURRENT FLUCTUATIONS.

被引：0
|
作者：
Bondarenko, B.V. [1 ]
Lyangasov, Yu.A. [1 ]
Cherepanov, A.Yu. [1 ]
Shgeshin, E.P. [1 ]
机构：
[1] Moscow Physicotechnical Inst, USSR, Moscow Physicotechnical Inst, USSR
来源：
Instruments and experimental techniques New York | 1987年 / 30卷 / 2 pt 2期
关键词：
ELECTRONS; -; Emission;
D O I：
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中图分类号：
学科分类号：
摘要：
A procedure is described for study of the noise of field-emission cathodes that allows a large number of measurements to be performed and processed and single curent fluctuations over time intervals of up to 1 day to be recorded. The fluctuations of field-emission current of pyrolytic graphite cathodes are studied. A substantial reduction of the noise level after shaping as well as a deviation of the high-current branch of the current-fluctuation distribution from a normal distribution for small currents are observed.
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页码：401 / 404
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