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

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Category:Metallurgy & Metallurgical Engineering

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