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Structure and magnetic properties of hydrides based on Uranium bcc alloys

  • Ladislav Havela (a1), Mykhaylo Paukov (a1), Ilya Tkach (a1), Zdenek Matej (a1), N.-T.H. Kim-Ngan (a2) and Alexander V. Andreev (a3)...

Abstract

γ-U alloys with Mo or Zr are more resistant to hydrogen than U metal. High pressures of H are needed to produce hydrides. Amorphous structure of UH3Mo x can be represented as the cubic structure of β-UH3 type with grain size around 1 nm. UH3Zr x are formed in the cubic α-UH3 type of structure. All the hydrides are ferromagnets, with magnetic parameters (magnetic moments, Curie temperature) exceeding those of β-UH3 (0.9 μB/U, 165-170 K). It is deduced that α-UH3 has magnetic properties very similar to β-UH3, despite rather different U-U spacing.

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Structure and magnetic properties of hydrides based on Uranium bcc alloys

  • Ladislav Havela (a1), Mykhaylo Paukov (a1), Ilya Tkach (a1), Zdenek Matej (a1), N.-T.H. Kim-Ngan (a2) and Alexander V. Andreev (a3)...

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