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An investigation as to the cause of beam asymmetry in a compact gas discharge ion source: A focus on beam-wall interaction
(IOP Publishing; The Japan Society of Applied Physics, 2006-10-24)
Helium beams in a compact gas discharge source lose their transverse symmetry when the extracting electrode is biased at high potentials. Further, this condition gives rise to excessive formation of electrons within the ...
Surface modification of narra wood (Pterocarpus indicus) by ion shower treatment
; Ramos, Henry 
; Wada, Motoi (Japanese Journal of Applied Physics, 2006-10-24)
; Wada, Motoi (Japanese Journal of Applied Physics, 2006-10-24)
A gas discharge ion source (GDIS) was used as test facility to produce and study the characteristics of diffused, low-energy hydrogen ion showers. Narra wood samples were then exposed to the showers to investigate topographical ...