Cathodic Vacuum Arc Plasma of Thallium

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Thallium arc plasma was investigated in a vacuum arc ionsource. As expected from previous consideration of cathode materials inthe Periodic Table of the Elements, thallium plasma shows lead-likebehavior. Its mean ion charge state exceeds 2.0 immediately after arctriggering, reaches the predicted 1.60 and 1.45 after about 100 microsecand 150 microsec, respectively. The most likely ion velocity is initially8000 m/s and decays to 6500 m/s and 6200 m/s after 100 microsec and 150microsec, respectively. Both ion charge states and ion velocities decayfurther towards steady state values, which are not reached within the 300microsec pulses used here. It is argued that the ... continued below

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Yushkov, Georgy Yu. & Anders, Andre October 2, 2006.

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Thallium arc plasma was investigated in a vacuum arc ionsource. As expected from previous consideration of cathode materials inthe Periodic Table of the Elements, thallium plasma shows lead-likebehavior. Its mean ion charge state exceeds 2.0 immediately after arctriggering, reaches the predicted 1.60 and 1.45 after about 100 microsecand 150 microsec, respectively. The most likely ion velocity is initially8000 m/s and decays to 6500 m/s and 6200 m/s after 100 microsec and 150microsec, respectively. Both ion charge states and ion velocities decayfurther towards steady state values, which are not reached within the 300microsec pulses used here. It is argued that the exceptionally high vaporpressure and charge exchange reactions are associated with theestablishment of steady state ion values.

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  • Journal Name: IEEE Transactions onPlasma Science; Journal Volume: 35; Journal Issue: 2pt3; Related Information: Journal Publication Date: 04/2007

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  • Report No.: LBNL--61705
  • Grant Number: DE-AC02-05CH11231
  • Office of Scientific & Technical Information Report Number: 917818
  • Archival Resource Key: ark:/67531/metadc890456

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  • October 2, 2006

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  • Sept. 22, 2016, 2:13 a.m.

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  • Sept. 29, 2016, 1:48 p.m.

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Yushkov, Georgy Yu. & Anders, Andre. Cathodic Vacuum Arc Plasma of Thallium, article, October 2, 2006; Berkeley, California. (digital.library.unt.edu/ark:/67531/metadc890456/: accessed October 22, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.