Charge state dependence of cathodic vacuum arc ion energy andvelocity distributions

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In the literature, conflicting conclusions are reported concerning the charge state dependence of cathodic arc ion energy and velocity distributions. It appears that data from electrostatic energy analyzers indicate charge state dependence of ion energy, whereas time-of-flight methods support charge state independence of ion velocity. Here we present charge-state-resolved ion energy distributions and calculate the corresponding ion velocity distributions in aluminum vacuum arc plasma. We show that the conflicting conclusions reported in the literature for the two different characterization techniques may originate from the commonly employed data interpretation of energy and velocity, in which peak values and average values are ... continued below

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Rosen, Johanna; Schneider, Jochen M. & Anders, Andre August 15, 2006.

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Description

In the literature, conflicting conclusions are reported concerning the charge state dependence of cathodic arc ion energy and velocity distributions. It appears that data from electrostatic energy analyzers indicate charge state dependence of ion energy, whereas time-of-flight methods support charge state independence of ion velocity. Here we present charge-state-resolved ion energy distributions and calculate the corresponding ion velocity distributions in aluminum vacuum arc plasma. We show that the conflicting conclusions reported in the literature for the two different characterization techniques may originate from the commonly employed data interpretation of energy and velocity, in which peak values and average values are not carefully distinguished.

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  • Journal Name: Applied Physics Letters; Journal Volume: 89; Related Information: Journal Publication Date: 2006

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  • Report No.: LBNL--61526
  • Grant Number: DE-AC02-05CH11231
  • DOI: 10.1063/1.2361197 | External Link
  • Office of Scientific & Technical Information Report Number: 893503
  • Archival Resource Key: ark:/67531/metadc883677

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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.

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  • August 15, 2006

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  • Sept. 21, 2016, 2:29 a.m.

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Rosen, Johanna; Schneider, Jochen M. & Anders, Andre. Charge state dependence of cathodic vacuum arc ion energy andvelocity distributions, article, August 15, 2006; United States. (digital.library.unt.edu/ark:/67531/metadc883677/: accessed April 26, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.