Branching Ratios of the Circular Dichroism at Rare Earth {ital L}{sub 23} Edges
Journal Article
·
· Physical Review Letters
- European Synchrotron Radiation Facility, B.P. 220,F-38043 Grenoble Cedex (France)
The branching ratios in the circular dichroism of the rare-earth L{sub 23} edges are explained in a model where the 5d band is empty in the ground state. In the final state the 5d radial wave function contracts not only by the 5d-4f spin-spin interaction but by the complete exchange interaction. This explains the L{sub 3}/L{sub 2} ratios, the relative magnitude of the quadrupole contribution, and the dispersive shape of the signal in ionic compounds. {copyright} {ital 1997} {ital The American Physical Society}
- OSTI ID:
- 450474
- Journal Information:
- Physical Review Letters, Vol. 78, Issue 6; Other Information: PBD: Feb 1997
- Country of Publication:
- United States
- Language:
- English
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