Abstract
The preparation of metallic 6Li targets with > 99.97% isotopic purity is described. Lithium ions of 30 keV energy provided by a small accelerator are decelerated to 1.8 keV and implanted into various backings (nickel, copper, tantalum) with a thickness of 0.2–0.5 mm. By determining the depth profile utilizing the 7Li(p, γ) 8Be reaction, nickel was found to be the most suitable material (no diffusion, no alloy formation). Layers of up to 450 μg/cm 2 were easily produced. The method was also successfully employed to deposit thin lithium layers on carbon backings.
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