Ion Sources, Plasma Emitters, and the Primary Formation of Ion Beams

Gabovich, M. D.; Pleshivtsev, N. V.; Semashko, N. N.

doi:10.1007/978-1-4684-8407-6_1

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Modulation Of Gas Flow1

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“…The single act of electron collision with a hydrogen molecule can cause not only molecular ion formation, but also proton formation [13]:…”

Section: Resultsmentioning

confidence: 99%

Effect of water vapor on the ionic composition of the hydrogen beam-plasma discharge

Sorokin

Визгалов

Gutorov

et al. 2015

Bull. Lebedev Phys. Inst.

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The effect of optimization of the ionic composition of the hydrogen beam-plasma discharge (BPD) in the proton component when filling water vapor into the setup vacuum chamber is described. Experiments for studying the effect of controllable filling of water vapor on properties of highly nonequilibrium plasma show that under certain conditions the discharge ionic composition is redistributed toward increasing the atomic ion fraction. It is assumed that this effect is caused by the interaction of water vapor with the wall of the vacuum chamber of the plasma setup, which results in surface oxidation and a decrease in the recombination coefficient. Furthermore, the presence of active OH radical shifts chemical equilibrium toward increasing the atomic ion fraction.

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“…The single act of electron collision with a hydrogen molecule can cause not only molecular ion formation, but also proton formation [13]:…”

Section: Resultsmentioning

confidence: 99%

Effect of water vapor on the ionic composition of the hydrogen beam-plasma discharge

Sorokin

Визгалов

Gutorov

et al. 2015

Bull. Lebedev Phys. Inst.

View full text Add to dashboard Cite

show abstract

“…Electrons emitted from tungsten filaments and accelerated can ionize the working gas (hydrogen). The whole process is rather complicated [5] with main ones listed as follows:…”

Section: Modulation Of Gas Flowmentioning

confidence: 99%