Negative ion sources

M Bacal, M Sasao, M Wada - Journal of Applied Physics, 2021 - pubs.aip.org
In this Tutorial, surface and double charge exchange negative ion sources for producing
negative ion beams of different ion species will be described. The need for negative ions as …

Changing pattern of N2 dissociation in N2–Ar RF plasma during E–H mode transition

A Mukherjee, M Chakraborty, N Sharma… - … Sources Science and …, 2023 - iopscience.iop.org
The behaviour of nitrogen plasma mixed with varying proportions of argon (10%–80%) is
investigated under different RF discharge conditions. It is observed that at a relatively low RF …

Development of a compact helicon plasma source with two sets of ring array permanent magnets for the study of blue core plasma

Y Xia, X Yang, L Chang, H Zhou, JH Zhang… - Review of Scientific …, 2023 - pubs.aip.org
A compact helicon plasma source for the study of helicon plasma, especially for the study of
blue core plasma, is designed and developed with permanent magnets (PMs). The structure …

Experimental investigation of an electronegative cylindrical capacitively coupled geometrically asymmetric plasma discharge with an axisymmetric magnetic field

S Dahiya, N Sharma, S Geete, S Sharma… - arXiv preprint arXiv …, 2024 - arxiv.org
In this study, we have investigated the production of negative ions by mixing electronegative
oxygen gas with electropositive argon gas in a geometrically asymmetric cylindrical …

Plasma sheath with multi‐species of positive ions and surface produced negative ions

S Samanta, R Moulick, PJ Bhuyan… - Contributions to Plasma …, 2023 - Wiley Online Library
The structure of a plasma sheath has been investigated in front of a caesium‐coated metallic
plate, using a simple theoretical model. Along with the electrons, the plasma is composed of …

EH mode transitions and high-energy electron characteristics of helical antenna coupled plasma

C Wang, X Lin, F Li, X Yu - Journal of Physics D: Applied Physics, 2021 - iopscience.iop.org
Metastable and high-energy electron characteristics obtained from optical emission
spectroscopy are used to analyze the dependence of the H mode on the magnetic field …

[PDF][PDF] Plasma sheath with multi-species of positive ions and surface produced negative ions

SSRMPJ Bhuyan, BJ Saikia - researchgate.net
The structure of a plasma sheath has been investigated in front of a caesium-coated metallic
plate, using a simple theoretical model. Along with the electrons, the plasma is composed of …