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Luminescence Spectra of Solids: Filled-Shell Ions

  • B. Jacquier

Abstract

The interconfiguration transitions of filled-shell ions (d10and ns2) in the gaseous state are reviewed quickly. The determination of Slater-Condon and spin-orbit parameters reveals the dependence on atomic number in each series.

In crystals doped with such ions we examine the optical properties involving states of excited configurations (d9s) or (d9p) and (ns np). Experimental evidence of the orbital derealization is shown by upward and downward shifts of the electronic transitions for d10 and ns2 ions, respectively. Static and dynamic aspects of their fluorescence are reported for various hosts.

As a consequence of the considerable shift of the spectra, the molecular orbital method is seen to give a realistic approach of the electronic structure of the luminescent center. This approach gives a relative magnitude of the parameters:electron repulsion, crystal—field and spin-orbit splittings. Furthermore, the positions of the excited levels are congruent with those assumed for the model describing the dynamic properties of the fluorescence.

Keywords

Irreducible Representation Oscillator Strength Configuration Interaction Impurity Center Slater Determinant 
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Copyright information

© Plenum Press, New York 1978

Authors and Affiliations

  • B. Jacquier
    • 1
  1. 1.Equipe de Recherche n°10 du CNRSUniversité Lyon IVilleurbanneFrance

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