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By analysing the angular dependence of the scattering of thermal neutrons, the individual orbital mu(L) and spin mu(S) components of the total magnetic moments of a series of actinide compounds were determined. The ratio mu(L)/mu(S) may be related to the Landé g factor. It is shown that due to hybridisation with other electron states (3d in the case of the compounds discussed), the orbital moment is reduced. The term "metallic covalency" is defined as a measure of the change in mu(L)/mu(S) from the free-ion value. The experimental values of this ratio are in good agreement with recent band-structure calculations.

Additional information

Authors: LANDER G H, JRC Karlsruhe (DE)
Bibliographic Reference: Paper presented: International Symposium Commemorating the 50th Anniversary of the Discovery of Neptunium and Plutonium, Washington DC (US), August 26-31, 1990
Availability: Available from (1) as Paper EN 35903 ORA
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