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Hydrogen induced site depopulation in the LaMgNi4-hydrogen system

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Academic year: 2021

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Figure

Fig. 1. Observed and calculated in-situ neutron powder diffraction patterns of LaMgNi 4 Mg––D system at 100 C at 5 bar (a), 10 bar (b) and 52 bar (c) deuterium pressure
Fig. 2. Pressure-composition-isotherm of LaMgNi 4 ––H system during absorption at 100 C and approximate upper phase limits (a, b, g).
Table 2. Calculated hole sizes of tetrahedral interstices in a-, b- and g-phases of LaMgNi 4 ––D system
Table 3. Distances between occupied D atom sites and centres of closest interstices having a hole size radius >0.4 A in b-LaMgNi 4 D 3:7

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