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Paper information

Bimodal ion energy distribution functions in a hydrogen magnetized plasma

O.D. Cortázar, A. Megia-Macías

Plasma Sources Science and Technology Vol. 28, nº. 2, pp. 1 - 9

Summary:

Direct measurements of temporal evolution of the ion energy distribution functions (IEDFs) in a pulsed magnetized hydrogen plasma with a complex spatial structure are presented. The results show a remarkable split of the curves into two peaks of energy that draw away as the spatial structure expands until they reach a complete separation. The behavior is explained in terms of E × B drift velocity plasma dynamics and its influence on the IEDFs, with consequences for ion temperature measurements. The development of a criterion to calculate the ion temperatures allows us to obtain the temporal evolution of this parameter for the three ion species, H⁺, H₂⁺ and H₃⁺.


Keywords: ECR plasma source, ion energy distribution function, particle diagnostics, E × B drift


JCR Impact Factor and WoS quartile: 3.193 - Q1 (2019); 3.584 - Q1 (2020)

DOI reference: DOI icon 10.1088/1361-6595/aaecc9

Published on paper: February 2019.

Published on-line: February 2019.



Citation:
O.D. Cortázar, A. Megia-Macías. Bimodal ion energy distribution functions in a hydrogen magnetized plasma. Plasma Sources Science and Technology. Vol. 28, nº. 2, pp. 1 - 9, February 2019. [Online: February 2019]


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