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Report No.
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Low temperature and pressure synthesis of lithium-nitride compound with H$$_{2}$$O addition on lithium target for BNCT

Ishiyama, Shintaro; Baba, Yuji  ; Fujii, Ryo*; Nakamura, Masaru*; Imahori, Yoshio*

Low temperature synthesis of lithium-nitride compound was conducted on the lithium target for BNCT by N$$_{2}$$/H$$_{2}$$O mixing gas squirt in ultra high vacuum chamber, and the following results were derived; (1) Lithium-nitride compound was synthesized on lithium target under 101.3 PaN$$_{2}$$ gas squirt at room temperature and 1$$times$$ 10$$^{-8}$$ Pa in ultra high vacuum chamber. (2) Remarkable contamination by O and C was observed on the lithium-nitride compound synthesized by 13.3 $$sim$$ 80 Pa/1.33 $$sim$$ 4.7 Pa N$$_{2}$$/H$$_{2}$$O mixing gas squirt. (3) No contamination and synthesis of Li-N compound was observed at 0.013 $$sim$$ 0.027 Pa/0 $$sim$$ 0.005 Pa N$$_{2}$$/H$$_{2}$$O squirt. (4) Contamination by O and C is enhanced with excessive addition of over 1.33 Pa H$$_{2}$$O addition.

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Category:Materials Science, Multidisciplinary

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