An experimental and theoretical study of the content of deuterium ions in arc discharge plasma was performed for deuterated zirconium cathodes. It was found experimentally that the deuterium ion percentage increased significantly with increasing arc current and decreasing arc duration, reaching 85% at kiloampere currents and few microsecond durations. In this case, a clear correlation was found between the content of deuterium ions in the arc plasma and the mean charge of zirconium ions: the higher the mean Zr ion charge, the greater the amount of deuterium ions in the plasma. A model was developed to describe the ionization processes that occur in the plasma of a vacuum arc with a deuterated cathode. It was shown that the relative content of deuterium ions in the plasma jet ejected from an individual cathode spot cell is not over 50%. The deuterium atoms are additionally ionized when the plasma jets of individual cells are mixed within a group cathode spot with high average cur...

中文翻译：

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氢同位素离子真空弧源中的阴极和等离子体现象。二。电弧等离子体中的电离过程

对氘化锆阴极进行了电弧放电等离子体中氘离子含量的实验和理论研究。实验发现，氘离子百分比随着电弧电流的增加和电弧持续时间的减少而显着增加，在千安培电流和几微秒的持续时间下达到85％。在这种情况下，在电弧等离子体中的氘离子含量与锆离子的平均电荷之间存在明显的相关性：平均Zr离子电荷越高，等离子体中的氘离子数量越多。开发了一个模型来描述在具有氘代阴极的真空电弧等离子体中发生的电离过程。结果表明，从单个阴极点电池喷射出的等离子流中氘离子的相对含量不超过50％。