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遠藤 成輝*; 齋藤 寛之; 町田 晃彦; 片山 芳則
Journal of Alloys and Compounds, 645(Suppl.1), p.S61 - S63, 2015/10
被引用回数:0 パーセンタイル:0.01(Chemistry, Physical)We investigated the hydrogenation of the 1
-type AlNi
alloy at 3 GPa and 500
C using in situ synchrotron radiation X-ray diffraction measurements. An isotropic lattice expansion was observed to have occurred owing to the hydrogenation, and a novel hydride (AlNi
H
) was formed. Because of such isotropic lattice expansion, the hydrogen-occupied sites were the body-center sites of the
1
structure (P
-3
). In this case, the hydrogen content was calculated to be
= 1.0, which is consistent with the experimental results. The AlNi
H
hydride was stable under ambient conditions.