脉动状态下金属氢化物阴极彭宁型氢离子源

IF 0.5 Q4 PHYSICS, NUCLEAR Problems of Atomic Science and Technology Pub Date : 2023-08-21 DOI:10.46813/2023-146-126

I. Sereda, Ya. O. Hrechko, N. Azarenkov

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引用次数: 0

摘要

研究了金属氢化物阴极彭宁型离子源在脉动状态下的氢离子发射特性。金属氢化物阴极在活化状态下提供了氢的局部注入，并对纵向发射氢离子的Penning放电能力产生影响。为了刺激金属氢化物的预激氢脱附，在放电阳极上施加背景恒定电压为6 kV的电压脉冲(4.5 kV， τ≈15µs)。得到了约0.2 mA的氢离子电流。

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PENNING-TYPE H– ION SOURCE WITH METAL HYDRIDE CATHODE IN PULSATING REGIME

The features of H– ion emission from gas-feed-free Penning-type ion source with metal hydride cathode have been studied in pulsating regime. The metal hydride cathode provided local injection of hydrogen in activated state and impacts on Penning discharge ability to emit H– ions in the longitudinal direction. For stimulation of pre-excited hydrogen desorption from metal hydride the voltage pulse (4.5 kV, τ ≈ 15 µs) was performed against the background constant voltage of 6 kV on the anode of the discharge. The H– ion current of about 0.2 mA was obtained.

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来源期刊

Problems of Atomic Science and Technology 物理-核科学技术

CiteScore

0.70

自引率

50.00%

发文量

审稿时长

2-4 weeks

期刊介绍： The journal covers the following topics: Physics of Radiation Effects and Radiation Materials Science; Nuclear Physics Investigations; Plasma Physics; Vacuum, Pure Materials and Superconductors; Plasma Electronics and New Methods of Acceleration.