1985 年 54 巻 5 号 p. 1855-1860
By the channeling method using the nuclear reaction 1H(11B, α)αα, the lattice location of H in αNbH0.13−0.15 was determined at 155°C, and the effect of stress on the hydrogen location was investigated by introducing the internal stress by thermal cycling that gives rise to precipitation and redissolution of β phase. It is concluded that in the α-phase, hydrogen atoms occupy tetrahedral sites, and the location is not changed by such thermal cycling. Compared with the result on H in V, the present result indicates that the hydrogen location in Nb is less sensitive to the strain than in V.
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