Publication at Faculty of Mathematics and Physics |
2015
Abstract
bcc-U alloys with Mo or Zr are more resistant to hydrogen than pure U metal. High pressures of H-2 are needed to produce hydrides.
Amorphous structure of (UH3)(1) Mo-x(x) can be represented as the cubic structure of beta-UH3 type with grain size around 1 nm. (UH3)(1) Zr-x(x) are formed in the cubic alpha-UH3 type of structure. All the hydrides are ferromagnets, with magnetic parameters (magnetic moments, Curie temperature), which can exceed those of beta-UH3 (0.9 mu(B)/U, 165-170 K).
It is deduced that alpha-UH3 has magnetic properties very similar to beta-UH3, despite rather different U-U spacing.