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Deuterium retention in liquid lithium

M.J. Baldwin, R.P. Doerner, S.C. Luckhardt, R.W. Conn2002年被引用 122Nuclear FusionIF 3出版社

Measurements of deuterium retention in samples of lithium exposed in the liquid state to deuterium plasma are reported. Retention was measured as a function of plasma ion dose in the range 6×1019–4×1022 D atoms and exposure temperature between 523 and 673 K using thermal desorption spectrometry. The results are consistent with the full uptake of all deuterium ions incident on the liquid metal surface and are found to be independent of the temperature of the liquid lithium over the range explored. Full uptake, consistent with very low recycling, continues until the sample is volumetrically converted to lithium deuteride. This occurs for exposure temperatures where the gas pressure during exposure was both below and slightly above the corresponding decomposition pressure for LiD in Li.

日本語訳

液体状態で重水素プラズマに曝露されたリチウム試料における重水素保持の測定について報告する。保持は、熱脱離分光法を用いて、プラズマイオン照射量6×10¹⁹~4×10²² D原子の範囲および曝露温度523~673 Kの関数として測定された。結果は、液体金属表面に入射する全ての重水素イオンの完全な取り込みと一致しており、調査した範囲において液体リチウムの温度に依存しないことが見出された。非常に低いリサイクリングと一致する完全な取り込みは、試料が体積的に重水素化リチウムに変換されるまで継続する。これは、曝露中のガス圧力がLi中のLiDの対応する分解圧を下回る場合とわずかに上回る場合の両方の曝露温度で発生する。

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LithiumDeuteriumLiquid lithiumDeuterium retention
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