Influence of thin surface oxide films on hydrogen isotope release from ion-irradiated tungsten

K. Kremer, M. Brucker,W. Jacob, T. Schwarz-Selinger

Nuclear Materials and Energy（2022）

引用 6|浏览2

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摘要

•Thin (5 to 100 nm) tungsten (W) oxide films influence deuterium (D) release from W.•Oxide films act as both D reservoir and D transport barrier.•Above 475 K outgassing D chemically interacts with oxide film and forms heavy water.•Above 700 K D release dominated by heavy water.•For O/D ratio of greater than 5 to 10%, even natural W oxide films strongly affect D release.

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关键词

Hydrogen Isotope retention,Tungsten oxide,TDS,NRA,Hydrogen isotope release,Deuterium release,Thin films,D release from tungsten,Water formation

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