Effects of hydrogenation on magnetism of UNiGe

Abstrakt

U-based intermetallic compound UNiGe absorbs hydrogen up to the stoichiometry UNiGeH(1.2). In analogy to other compounds with the TiNiSi-type of structure, the structure is modified into hexagonal.

The zig-zag U-chains are stretched, the U-U spacing is largely enhanced and the ordering temperature increases up to 100 K. The ordered state has a spontaneous moment, but it is unlikely to be a simple ferro magnet. (C) 2011 Elsevier B.V.

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Klíčová slova

• Effects
• hydrogenation
• magnetism
• UNiGe