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Formation and decomposition of AlH$$_{3}$$ in the aluminum-hydrogen system

Al-H系におけるAlH$$_{3}$$の生成と分解

齋藤 寛之; 町田 晃彦; 片山 芳則; 青木 勝敏

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

The pressure-temperature diagram of hydrogen-aluminum system was determined for a pressure range of 0$$sim$$10 GPa and a temperature range of 27$$sim$$800 $$^{circ}$$C by in situ X-ray diffraction measurements. Pristine aluminum was hydrogenated to tri-hydride at 8.9 GPa and 600 $$^{circ}$$C. The cyclic formation and decomposition of the hydride resulted in lowering of the hydrogenation conditions down to 4.9 GPa and 330 $$^{circ}$$C. Transparent single crystals were recovered at ambient conditions.

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パーセンタイル:88.75

分野:Physics, Applied

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