Formation process of perovskite-type hydride LiNiH3: In situ synchrotron radiation X-ray diffraction study
作者： Ryutaro Sato , Hiroyuki Saitoh , Naruki Endo , Shigeyuki Takagi , Motoaki Matsuo
DOI: 10.1063/1.4794067
关键词:
摘要: The formation process of perovskite-type hydride LiNiH3 was investigated using in situ synchrotron X-ray diffraction measurements. A mixture LiH and Ni hydrogenated at 873 K 3 GPa, the structural changes associated with hydrogenation were observed. Time-resolved profiles showed a three-step reaction: to NiHx, LiyNi1–yH solid solution, conversion LiNiH3. which has never been reported, plays role precursor perovskite its presence is apparently critical for synthesizing hydrides.
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