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Effects of hydrogenation on magnetism of UNiGe |
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| Authors: | AM Adamska L HavelaJ Procházka AV AndreevY Skourski |
| Institution: | a Department of Condensed Matter Physics, Charles University, Ke Karlovu 5, 12116 Prague 2, Czech Republic b Faculty of Physics and Applied Computer Science, AGH University of Science and Technology, al. Mickiewicza 30, 30 059 Cracow, Poland c Faculty of Sports and Physical Education, Charles University, Jose Martiho 31, 16252, Prague 6, Czech Republic d Institute of Physics, Academy of Sciences, Na Slovance 2, 18221 Prague, Czech Republic e Dresden High Magnetic Field Laboratory, Helmholtz-Zentrum Dresden-Rossendorf, 01314 Dresden, Germany |
| Abstract: | U-based intermetallic compound UNiGe absorbs hydrogen up to the stoichiometry UNiGeH1.2. 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 ferromagnet. |
| Keywords: | Hydrides Actinides Ferromagnetism |
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