Laboratory investigation of vapor shielding for lithium-coated molybdenum in devex

Soonwook Jung; Daniel Andruczyk; David N. Ruzic

doi:10.1109/TPS.2011.2181980

Laboratory investigation of vapor shielding for lithium-coated molybdenum in devex

Soonwook Jung, Daniel Andruczyk, David N. Ruzic

Research output: Contribution to journal › Article › peer-review

Abstract

To investigate the effect of lithium on a molybdenum target, a triple Langmuir probe diagnostics and target temperature measurements are carried out. Several experimental scenarios are tested to optimize the device for the vapor shielding experiment. A lithium sputtering system is used to deposit lithium on a molybdenum target. A triple Langmuir probe is placed near the target at various pressures to estimate change of plasma density and electron temperature and their effects on vapor shielding. Temperature increase at the target is measured by a thermocouple and its relationship with plasma parameters and lithium is discussed in detail.

Original language	English (US)
Article number	6145702
Pages (from-to)	730-734
Number of pages	5
Journal	IEEE Transactions on Plasma Science
Volume	40
Issue number	3 PART 1
DOIs	https://doi.org/10.1109/TPS.2011.2181980
State	Published - Mar 2012

Keywords

Lithium
molybdenum
triple langmuir probe
vapor shielding

ASJC Scopus subject areas

Nuclear and High Energy Physics
Condensed Matter Physics

Online availability

10.1109/TPS.2011.2181980

Library availability

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title = "Laboratory investigation of vapor shielding for lithium-coated molybdenum in devex",

abstract = "To investigate the effect of lithium on a molybdenum target, a triple Langmuir probe diagnostics and target temperature measurements are carried out. Several experimental scenarios are tested to optimize the device for the vapor shielding experiment. A lithium sputtering system is used to deposit lithium on a molybdenum target. A triple Langmuir probe is placed near the target at various pressures to estimate change of plasma density and electron temperature and their effects on vapor shielding. Temperature increase at the target is measured by a thermocouple and its relationship with plasma parameters and lithium is discussed in detail.",

keywords = "Lithium, molybdenum, triple langmuir probe, vapor shielding",

author = "Soonwook Jung and Daniel Andruczyk and Ruzic, {David N.}",

note = "Funding Information: The research reported in this paper was performed in support of contract number DE-FG02-04ER54765 with the U.S. Department of Energy and Oak Ridge National Laboratory. The author would like to thank M. Williams for numerous technical discussions and undergraduate researchers L. A. Kesler, H. H. Yun, and B. Sherred for their time and commitment in the laboratory.",

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AB - To investigate the effect of lithium on a molybdenum target, a triple Langmuir probe diagnostics and target temperature measurements are carried out. Several experimental scenarios are tested to optimize the device for the vapor shielding experiment. A lithium sputtering system is used to deposit lithium on a molybdenum target. A triple Langmuir probe is placed near the target at various pressures to estimate change of plasma density and electron temperature and their effects on vapor shielding. Temperature increase at the target is measured by a thermocouple and its relationship with plasma parameters and lithium is discussed in detail.

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Laboratory investigation of vapor shielding for lithium-coated molybdenum in devex

Abstract

Keywords

ASJC Scopus subject areas

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