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  • Gamma-U metal, stabilized down to room temperature in the bcc structure by Mo doping, can absorb hydrogen at high pressures only. The product is amorphous hydride UH3Mox analogous to beta-UH3. Such hydrides are ferromagnetic with high Curie temperatures (up to 200 K), enhanced with respect to beta-UH3. Magnetic moment of U also increases. Large disorder together with high anisotropy lead to a very high coercivity, reaching 4 T at low temperatures. As amorphization normally tends to suppress magnetic ordering of U compounds, such hydrides represent a new class of materials, amorphous U-based ferromagnets with relatively high Curie temperature.
  • Gamma-U metal, stabilized down to room temperature in the bcc structure by Mo doping, can absorb hydrogen at high pressures only. The product is amorphous hydride UH3Mox analogous to beta-UH3. Such hydrides are ferromagnetic with high Curie temperatures (up to 200 K), enhanced with respect to beta-UH3. Magnetic moment of U also increases. Large disorder together with high anisotropy lead to a very high coercivity, reaching 4 T at low temperatures. As amorphization normally tends to suppress magnetic ordering of U compounds, such hydrides represent a new class of materials, amorphous U-based ferromagnets with relatively high Curie temperature. (en)
Title
  • Amorphous 5f ferromagnetic hydrides UH3Mox./sub
  • Amorphous 5f ferromagnetic hydrides UH3Mox./sub (en)
skos:prefLabel
  • Amorphous 5f ferromagnetic hydrides UH3Mox./sub
  • Amorphous 5f ferromagnetic hydrides UH3Mox./sub (en)
skos:notation
  • RIV/68378271:_____/14:00433133!RIV15-AV0-68378271
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  • 2350
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  • RIV/68378271:_____/14:00433133
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  • uranium; hydrides; amorphous state; ferromagnetism (en)
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  • [CE7818E8DBA4]
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  • Košice
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  • Warsaw
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  • Acta Physica Polonica A
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  • Andreev, Alexander V.
  • Havela, L.
  • Mašková, S.
  • Matěj, Z.
  • Kim-Ngan, N.-T. H.
  • Tkach, I.
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issn
  • 0587-4246
number of pages
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  • 10.12693/APhysPolA.126.292
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  • Polska Akademia Nauk
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