Energy level structure of Er3+ free ion and Er3+ ion in Er2O3 crystal

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Energy level structure of Er3+ free ion and Er3+ ion in Er2O3 crystal

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Publication Article, other scientific
Title Energy level structure of Er3+ free ion and Er3+ ion in Er2O3 crystal
Author(s) Gaigalas, Gediminas ; Kato, Daiji ; Jönsson, Per ; Rynkun, Pavel ; Radziute, Laima
Date 2014
English abstract
The latest version of the GRASP2K atomic structure package [P. J¨onsson, G. Gaigalas, J. Biero´n, C. Froese Fischer, I.P. Grant, Comput. Phys. Commun. 184 (2013) 2197], based on the multiconfigurational Dirac-Hartree-Fock method, is extended to account for effects of crystal fields in complex systems. Energies from relativistic configuration interaction calculations are reported for the Er3+ free ion. E2 and M1 line strengths, weighted oscillator strengths, and rates are presented for transitions between states of the [Xe]4f11 configuration. Also Stark levels of the Er3+ 4Io 15/2 state in Er2O3 are calculated in the ab initio point charge crystal field approximation. In all calculations the Breit interaction and leading QED effects are included as perturbations. Different strategies for describing electron correlation effects are tested and evaluated. The final results are compared with experiment and other methods.
Publisher National Institute of Fusion Science, Japan
Host/Issue National Institute for Fusion Science, Research Report NIFS-DATA;115
ISSN 0915-6364
Pages 1-25
Language eng (iso)
Subject(s) Technology
Research Subject Categories::TECHNOLOGY
Handle http://hdl.handle.net/2043/18382 (link to this page)

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