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Longitudinal extraction of H⁻ ions from Penning discharge with metal-hydride cathode

Longitudinal extraction of H⁻ ions from Penning discharge with metal-hydride cathode

In the paper the emitting ability of negative hydrogen ions H⁻ in longitudinal direction from Penning discharge with metal-hydride cathode is investigated. This effect is possible due to mutual influence of activated hydrogen desorbed from metal-hydride on discharge properties. In order to separate...

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Bibliographic Details
Main Authors: Sereda, I.N., Tseluyko, A.F., Ryabchikov, D.L., Babenko, I.V., Hrechko, Ya.O., Hetman, V.A.
Format: Article
Language:English
Published: Національний науковий центр «Харківський фізико-технічний інститут» НАН України 2017
Series:Вопросы атомной науки и техники
Subjects:
Низкотемпературная плазма и плазменные технологии
Online Access:http://dspace.nbuv.gov.ua/handle/123456789/122169
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Summary:In the paper the emitting ability of negative hydrogen ions H⁻ in longitudinal direction from Penning discharge with metal-hydride cathode is investigated. This effect is possible due to mutual influence of activated hydrogen desorbed from metal-hydride on discharge properties. In order to separate negative ions from extracted current of charged particles an electromagnetic filter is applied. The efficiency of the filter is carried out experimentally and optimal external parameters for H⁻ ions separation are determined. The experimental results about negative ions extraction along an external magnetic field from Penning discharge are given. The beam current of H⁻ ions is got on the level of 5 μA.

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