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${it In situ}$ X-ray diffraction measurement of the hydrogenation and dehydrogenation of aluminum and characterization of the recovered AlH$$_{3}$$

アルミニウムの水素化・脱水素化反応の放射光その場観察と回収されたAlH$$_{3}$$の分析

齋藤 寛之; 櫻井 陽子; 町田 晃彦; 片山 芳則; 青木 勝敏

Saito, Hiroyuki; Sakurai, Yoko; Machida, Akihiko; Katayama, Yoshinori; Aoki, Katsutoshi

Pristine aluminum was hydrogenated to form AlH$$_{3}$$ at 8.9 GPa and 600 $$^{circ}$$C. The cyclic formation and decomposition of the hydride were measured by ${it in situ}$ synchrotron X-ray diffraction measurement. AlH$$_{3}$$ synthesized under high pressure and temperature was recovered at ambient conditions. The recovered AlH$$_{3}$$ was characterized by the conventional powder X-ray diffraction measurement and Raman spectroscopy. The result of the characterizations was consistent with that obtained for chemically prepared AlH$$_{3}$$ and indicated that single phase $$alpha$$-AlH$$_{3}$$ was obtained.

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パーセンタイル:20.21

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