G. Burns, D.F. O'Kane, et al.
Solid State Communications
Paper
Covalent effects for rare earth ions with 6, 8 and 12 neighbors
Abstract
We extend overlap considerations of rare earth ions to: Crystal field splittings when the rare earth ion is surrounded by 6, 8 and 12 neighbors in Oh symmetry, overlap with F1-, O2-, and Cl1- ligands. The results are compared with electrostatic lattice sum calculations as well as with several experimental results. © 1967.
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