α-HoH(D) x: a new hydrogen-rare earth solid-solution system at low temperatures

The terminal low-temperature solubility of hydrogen in holmium has been determined resistometrically as x max = 0.03 ± 0.005 at.H(D)/at.Ho, leading to a residual-resistivity increase of Δϱ/Δx = 2.5 ± 0.5 μΩ cm/at.% H(D) and to decrease of the Néel temperature by about 2 K/at.% H(D). A quench-sensiti...

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Bibliographic Details
Published in:Solid state communications 1987-11, Vol.64 (6), p.937-938
Main Authors: Daou, J.N., Vajda, P., Burger, J.P.
Format: Article
Language:English
Subjects:
Condensed matter: structure, mechanical and thermal properties
Equations of state, phase equilibria, and phase transitions
Exact sciences and technology
Physics
Solubility, segregation, and mixing
phase separation
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Summary:The terminal low-temperature solubility of hydrogen in holmium has been determined resistometrically as x max = 0.03 ± 0.005 at.H(D)/at.Ho, leading to a residual-resistivity increase of Δϱ/Δx = 2.5 ± 0.5 μΩ cm/at.% H(D) and to decrease of the Néel temperature by about 2 K/at.% H(D). A quench-sensitive resistivity anomaly at 174 and at 179 K for respectively α-HoH x and α-HoD x is observed and attributed to short-range ordering of H-atoms, in analogy to other rare earth-hydrogen systems.
ISSN:0038-1098
1879-2766
DOI:10.1016/0038-1098(87)90565-5