Laboratory Investigation of Vapor Shielding for Lithium-Coated Molybdenum in Devex

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 li...

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Published inIEEE transactions on plasma science Vol. 40; no. 3; pp. 730 - 734
Main Authors Soonwook Jung, Andruczyk, D., Ruzic, D. N.
Format Journal Article
LanguageEnglish
Published New York IEEE 01.03.2012
The Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subjects
Coils
Diagnostic systems
Electron temperature
Estimates
Lithium
Molybdenum
Plasma density
Plasma measurements
Plasma physics
Plasma temperature
Probes
Shielding
Temperature measurement
Thermocouples
triple langmuir probe
vapor shielding
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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.
AbstractList 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.
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. [PUBLICATION ABSTRACT]
Author Andruczyk, D.
Soonwook Jung
Ruzic, D. N.
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Snippet To investigate the effect of lithium on a molybdenum target, a triple Langmuir probe diagnostics and target temperature measurements are carried out. Several...
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SubjectTerms Coils
Diagnostic systems
Electron temperature
Estimates
Lithium
Molybdenum
Plasma density
Plasma measurements
Plasma physics
Plasma temperature
Probes
Shielding
Temperature measurement
Thermocouples
triple langmuir probe
vapor shielding
Title Laboratory Investigation of Vapor Shielding for Lithium-Coated Molybdenum in Devex
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