Changes in surface conditions with first plasma in the princeton large torus (PLT)

H. F. Dylla; S. A. Cohen

doi:10.1016/0022-3115(76)90371-8

Changes in surface conditions with first plasma in the princeton large torus (PLT)

H. F. Dylla, S. A. Cohen

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Abstract

We report in-situ measurements of the changes in surface composition of 305 stainless steel exposed to the first plasma discharges in PLT. Auger electron spectroscopy of pre-exposure surfaces shows a contamination by carbon and smaller amounts of oxygen. Surfaces subjected to increasing levels of plasma exposure show a substantial decrease of the carbon coverage, increased fractional-monolayer coverages of oxygen and iron and tenth-monolayer quantities of chlorine and sulfur.

Original language	English (US)
Pages (from-to)	487-494
Number of pages	8
Journal	Journal of Nuclear Materials
Volume	63
Issue number	C
DOIs	https://doi.org/10.1016/0022-3115(76)90371-8
State	Published - Dec 1976

All Science Journal Classification (ASJC) codes

Nuclear and High Energy Physics
General Materials Science
Nuclear Energy and Engineering

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10.1016/0022-3115(76)90371-8

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title = "Changes in surface conditions with first plasma in the princeton large torus (PLT)",

abstract = "We report in-situ measurements of the changes in surface composition of 305 stainless steel exposed to the first plasma discharges in PLT. Auger electron spectroscopy of pre-exposure surfaces shows a contamination by carbon and smaller amounts of oxygen. Surfaces subjected to increasing levels of plasma exposure show a substantial decrease of the carbon coverage, increased fractional-monolayer coverages of oxygen and iron and tenth-monolayer quantities of chlorine and sulfur.",

author = "Dylla, {H. F.} and Cohen, {S. A.}",

year = "1976",

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AU - Dylla, H. F.

AU - Cohen, S. A.

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N2 - We report in-situ measurements of the changes in surface composition of 305 stainless steel exposed to the first plasma discharges in PLT. Auger electron spectroscopy of pre-exposure surfaces shows a contamination by carbon and smaller amounts of oxygen. Surfaces subjected to increasing levels of plasma exposure show a substantial decrease of the carbon coverage, increased fractional-monolayer coverages of oxygen and iron and tenth-monolayer quantities of chlorine and sulfur.

AB - We report in-situ measurements of the changes in surface composition of 305 stainless steel exposed to the first plasma discharges in PLT. Auger electron spectroscopy of pre-exposure surfaces shows a contamination by carbon and smaller amounts of oxygen. Surfaces subjected to increasing levels of plasma exposure show a substantial decrease of the carbon coverage, increased fractional-monolayer coverages of oxygen and iron and tenth-monolayer quantities of chlorine and sulfur.

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JO - Journal of Nuclear Materials

JF - Journal of Nuclear Materials

IS - C

ER -

Changes in surface conditions with first plasma in the princeton large torus (PLT)

Abstract

All Science Journal Classification (ASJC) codes

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