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Communication Dans Un Congrès Année : 2012

Effect of fast positive ions incident on caesiated plasma grid of negative ion source

M. Bacal
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Résumé

This paper describes the effect on negative ion formation on a caesiated surface of the backscattering of positive ions approaching it with energy of a few tens of eV. For a positive ion energy of 45 eV, the surface produced negative ion current density due to these fast positive ions is 12 times larger than that due to thermal atoms, thus dominating the negative ion surface production instead of the thermal atoms, as considered until now.
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Dates et versions

hal-02893260 , version 1 (08-07-2020)

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  • HAL Id : hal-02893260 , version 1

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M. Bacal. Effect of fast positive ions incident on caesiated plasma grid of negative ion source. 14th International Conference on Ion Sources / Ion Sources for Fusion, Sep 2011, Giardini Naxos, Italy. pp.02B101. ⟨hal-02893260⟩
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