What is it about?

The article is a continuation of a number of our works aimed on studying the influence of metal hydride activation of hydrogen on the formation of negative ions in Penning cell with the aim of creating a compact, cheap and efficient source of a new type.

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Why is it important?

The main interest for H– ion beam is due to the acceptable neutralization efficiency of hydrogen negative ions even at high energy above 100 keV/nucleon followed by an energetic neutral beam production for fusion. It finds also important practical applications in the field of medical radionuclides production, for thin-films and nanostructures growth and dusty plasma investigations [4].


Creation of a new type of volumec source of negative hydrogen ions, which does not require external injection of hydrogen and in which the excitation of hydrogen molecules occurs automatically with the help of metal hydrides

Ihor Sereda
V.N. Karazin Kharkiv National University

Read the Original

This page is a summary of: Expulsion of hydrogen negative ions by the anode layer of negative space charge from Penning discharge with metal hydride cathodes, Physics of Plasmas, May 2024, American Institute of Physics,
DOI: 10.1063/5.0202579.
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