Impurity production and acceleration in CTIX

The Compact Toroid Injection Experiment (CTIX) produces a high density, high velocity hydrogen plasma that maintains its configuration in free space on a MHD resistive time scale. In order to study the production and acceleration of impurities in the injector, several sets of silicon collector probe...

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Published in:Journal of nuclear materials 2009-06, Vol.390, p.223-226
Main Authors: Buchenauer, D., Clift, W.M., Klauser, R., Horton, R.D., Howard, S.J., Brockington, S.J., Evans, R.W., Hwang, D.Q.
Format: Article
Language:English
Subjects:
Applied sciences
Controled nuclear fusion plants
Energy
Energy. Thermal use of fuels
Exact sciences and technology
Fission nuclear power plants
Fuels
Installations for energy generation and conversion: thermal and electrical energy
Nuclear fuels
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cited_by cdi_FETCH-LOGICAL-c444t-ae6204774920f59b9ad4cf6c079526aee8e3870d5ca44d78f230f51012df15be3
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container_end_page 226
container_issue
container_start_page 223
container_title Journal of nuclear materials
container_volume 390
creator Buchenauer, D.
Clift, W.M.
Klauser, R.
Horton, R.D.
Howard, S.J.
Brockington, S.J.
Evans, R.W.
Hwang, D.Q.
description The Compact Toroid Injection Experiment (CTIX) produces a high density, high velocity hydrogen plasma that maintains its configuration in free space on a MHD resistive time scale. In order to study the production and acceleration of impurities in the injector, several sets of silicon collector probes were exposed to spheromak-like CT’s exiting the accelerator. Elemental analysis by Auger Electron Spectroscopy indicated the presence of O, Al, Fe, and Cu in films up to 200 Å thickness (1000 CT interactions). Using a smaller number of CT interactions (10–20), implantation of Fe and Cu was measured by Auger depth profiling. The amount of impurities was found to increase with accelerating voltage and number of CT interactions while use of a solenoidal field reduced the amount. Comparison of the implanted Fe and Cu with TRIM simulations indicated that the impurities were traveling more slowly than the hydrogen CT.
doi_str_mv 10.1016/j.jnucmat.2009.01.058
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subjects Applied sciences
Controled nuclear fusion plants
Energy
Energy. Thermal use of fuels
Exact sciences and technology
Fission nuclear power plants
Fuels
Installations for energy generation and conversion: thermal and electrical energy
Nuclear fuels
title Impurity production and acceleration in CTIX
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