Crystal-field spectroscopy of PuO(2): further complications in actinide dioxides
Neutron spectroscopy was performed on a sample of PuO(2), enriched to 94% with the non-absorbing isotope 242Pu, to measure the crystal-field potential. The levels obtained are consistent with the weak-field case crystal-field parameters recently derived for UO(2) and NpO(2), but are inconsistent with a weak-field interpretation of the magnetic susceptibility measurements on PuO(2). In the light of these discrepancies it is concluded that the conventional crystal-field model is inadequate. PuO(2) is probably the simplest material for testing new hypotheses because its ground state is a non-magnetic singlet.
Bibliographic Reference: Article: Journal of Physics: Condensed Matter, Vol. 2 (1990) pp. 1933-1939
Record Number: 199011870 / Last updated on: 1994-12-02
Original language: en
Available languages: en