2020
DOI: 10.1063/1.5128610
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A compact electron cyclotron resonance negative hydrogen ion source for evaluation of plasma electrode materials

Abstract: A compact ion source that produces hydrogen plasma with an electron cyclotron resonance (ECR) configuration combined with a 2-stage extraction system with a single aperture of 6 mm diameter has been designed and built to study the performance of different materials as the plasma electrode (PE) of a negative hydrogen ion source. The source has the capability to electrically bias the PE with respect to the ECR plasma. The first experiment with low ECR power input (less than 40 W) was carried out. The PE of the C… Show more

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Cited by 8 publications
(4 citation statements)
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“…Using a compact ECR ion source experimental device [12], we researched PE materials suitable for Csfree Hsources. By investigating the influence of the PE bias voltage, the Hion generation efficiency was high in the electride, and it showed a great advantage especially when a negative voltage was applied.…”
Section: Discussionmentioning
confidence: 99%
See 1 more Smart Citation
“…Using a compact ECR ion source experimental device [12], we researched PE materials suitable for Csfree Hsources. By investigating the influence of the PE bias voltage, the Hion generation efficiency was high in the electride, and it showed a great advantage especially when a negative voltage was applied.…”
Section: Discussionmentioning
confidence: 99%
“…Figure 1 shows a schematic view of the experimental setup: (a) compact ECR ion source [12], and (b) enlarged view of the Langmuir probe. The device produces a hydrogen plasma with a magnetic field strength of over 87.5 mT on the axis of the Mo antenna.…”
Section: Methodsmentioning
confidence: 99%
“…1,3 These properties are desirable for several important technological applications to which it is expected that electrides can be successfully applied. For example electron emitters, 4 ion sources, 5 light emitting diodes (LED) devices, 6 nonlinear optical switchers, 7 superconductors, 8 and catalysts, 9,10 for e.g. the synthesis of ammonia, 11 are all areas of active investigation for electrides.…”
Section: Introductionmentioning
confidence: 99%
“…In presence of confinement magnetic field, the contribution of δ-SE to ionization is expected to be even higher. In reported studies on ECR breakdown, however, the ignition has been considered to be governed by volume processes [15][16][17][18][19][20][21][22][23][24][25][26][27], while surface processes have been excluded.…”
Section: Introductionmentioning
confidence: 99%