NEUTRON STUDY OF THE PHASE TRANSFORMATION OF LaNi_3 INDUCED BY HYDRIDING
Yuanzineng Kexue Jishu/Atomic Energy Science and Technology(1994)
Abstract
The phase transformation of LaNi_3 induced by hydriding and dehydriding is investigated us-ing the neutron diffraction and the neutron inelastic scattering. The results show that the hydrid-ing sample, LaNi_3H_x,is transformed from crystalline state of the LaNi_3 into amorphous state witha microcrystalline characteristic of LaNi_5,and the dehydriding sample produced by LaNi_3H_x dehy-drided at 600℃ is decomposed into new crystalline states composed by LaNi_5-and La -hydrides.The procedure of phase transformation is that the result of the transformation of LaNi_3 induced byhydriding shows the properties of LaNi5_-H_2 system.
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