Crystal-field parameters for triply-ionized lanthanides in yttrium aluminium garnet
- 28 April 1976
- journal article
- Published by IOP Publishing in Journal of Physics C: Solid State Physics
- Vol. 9 (8) , L191-L194
- https://doi.org/10.1088/0022-3719/9/8/001
Abstract
Previously reported spectra of triply-ionized lanthanides in YAG are analysed theoretically by diagonalizing a parametrized D2 Hamiltonian in a free-ion wavefunction basis involving the lowest 10, 11, 9, 10 and 10 J-multiplets, respectively, of Nd, Eu, Tb, Dy and Er. The best-fit crystal-field parameters for all but Dy are then used to obtain a quadratically smoothed set of parameters for all the lanthanides. The smoothed set of parameters gives an RMS fit of 10.85 cm-1 for Dy compared with the best-fit parameters of 6.60 cm-1.Keywords
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