An analysis of neutron scattering spectroscopy in UO2

A calculation has been performed to analyse neutron scattering spectrum of an ion with f(2) configuration in a cubic crystal field. The present analysis, using a six-interaction Hamiltonian, gives an energy-level lit which has a rms sigma = 15.1 relative to the experimentally observed crystal field excitations. The wave functions thus obtained were used to calculate the effective magnetic moment of UO2. The final values of interaction parameters (in cm(-1)) are F-2 = 230.84: F-4 = 39.22; F-6 = 3.77, zeta(5f) = 1968, alpha = 34.87, beta = -565.68, gamma = 799.07, M-0 = 0.570. M-2 = 0.318, M-4 = 0.222, A(4)[r(4)] = -900.6, A(6)[r(6)]= 195.4. (C) 1998 Elsevier Science B.V. All rights reserved.