Work function dependence of surface produced H/sup -/ in the presence of a plasma

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Description

The maximum H/sup -/ flux from a netatively biased converter cathode occurs at the work function minimum. A cesiated hydrogen plasma produces a partially-cesiated surface at the converter. The cesium coverage can be be controlled by the cesium partial pressure, the bias on the converter and the plasma density, while the work function of the converter surface is measured by the photo-electric effect, using a bright light source and a series of filters. The angular dependence is measured by rotating the converter.

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Pages: 9

Creation Information

Wada, M.; Pyle, R.V. & Stearns, J.W. November 1, 1983.

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Description

The maximum H/sup -/ flux from a netatively biased converter cathode occurs at the work function minimum. A cesiated hydrogen plasma produces a partially-cesiated surface at the converter. The cesium coverage can be be controlled by the cesium partial pressure, the bias on the converter and the plasma density, while the work function of the converter surface is measured by the photo-electric effect, using a bright light source and a series of filters. The angular dependence is measured by rotating the converter.

Physical Description

Pages: 9

Notes

NTIS, PC A02/MF A01.

Source

  • 3. international symposium on the production and neutralization of negative ions and beams, Upton, NY, USA, 14 Nov 1983

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  • Other: DE84006786
  • Report No.: LBL-16896
  • Report No.: CONF-831180-20
  • Grant Number: AC03-76SF00098
  • Office of Scientific & Technical Information Report Number: 5267683
  • Archival Resource Key: ark:/67531/metadc1067485

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Office of Scientific & Technical Information Technical Reports

Reports, articles and other documents harvested from the Office of Scientific and Technical Information.

Office of Scientific and Technical Information (OSTI) is the Department of Energy (DOE) office that collects, preserves, and disseminates DOE-sponsored research and development (R&D) results that are the outcomes of R&D projects or other funded activities at DOE labs and facilities nationwide and grantees at universities and other institutions.

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Creation Date

  • November 1, 1983

Added to The UNT Digital Library

  • Feb. 4, 2018, 10:51 a.m.

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  • April 25, 2018, 3:13 p.m.

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Wada, M.; Pyle, R.V. & Stearns, J.W. Work function dependence of surface produced H/sup -/ in the presence of a plasma, article, November 1, 1983; [Berkeley,] California. (https://digital.library.unt.edu/ark:/67531/metadc1067485/: accessed March 21, 2019), University of North Texas Libraries, Digital Library, https://digital.library.unt.edu; crediting UNT Libraries Government Documents Department.